人教版一年级数学下册100以内的加减法19

1、16+50+1 = 59+30-4 = 87+8096 74-2061 38+7042 5+26 + 60 = 830 75 + 4 6+18 + 60 = 35 - 80 34 79+10-8 = 68-40047 18+3 + 3 = 86+5093 61-40025 59 - 30 52 55 - 30 55 22+30+1 = 43+1057 38 - 20 36 42 + 4052 55 - 90 54 28+50+6 = 49+2056 32-4028 25+203244+50 = 50 + 40 =5430 =14+60 =35+10 =7570 =17+60 =26+70 =6

2、0-30 = 74 40 =85 60 = 90-10 = 13-10 =74 20 =15+50 =8950 =70-40 =90-70 =80-60 =12+80 =9990 =72 20 =40+50 = 80-10 =40+30 = 52-7= 49-8= 46 4 = 86-4= 42 + 9= 18-7 = 58-7= 3 + 70 = 1 + 13 = 1+75 = 3 + 22 = 50-1 = 8 + 88 = 33-8= 45-1 = 67-5= 66 + 3= 10-4= 38 + 8= 70-5= 66+1 = 62-8= 7 + 66 = 35-7= 59-8=41-

3、10 = 80-70 = 94-50 = 15- 10 = 15+30 =48- 10 = 50+40 = 76-20 = 42+40 = 60+30 =47+50 = 33- 10 = 12+50 = 77+20 = 34-20 =16+60 = 31-30 = 76-70 = 13- 10 =35+ 10 = 37+60 = 29-20 = 16+80 = 20+70 =34+ 10 =7510 = 8050 =47 20 = 54+20 =62 30 =70 60 =32 + 40 = 7670 =45 20 =30 + 40 = 20+20 =4910 =40+10 = 80 40 =

4、67+20 = 1310 =41 10 = 10+70 =8780 =9070 =10+20 =6610 =56+30 = 8050 =45+10 =6 + 47 = 42 3 = 19 7 =48 + 6 = 43 9 = 38 7 = 68 9= 4 + 83 =9 + 42 = 49 8= 87 6=8 + 47 = 38 2 = 412 =17 + 7= 1+46 = 89 + 6= 2 + 63 = 8 + 28 = 491 = 4 + 39 = 33 7= 28 3= 64+1 = 7 + 22 =45+20 =12+60 =78+20 =7830 =7570 =27+40 =25

5、20 =15+ 10 =8480 =38+20 =32 10 = 5540 =31 10 = 8070 =3530 =7250 =6020 =41 + 10 = 9040 =15+80 =36+60 =30+30 =35 10 =64056+1 23+9036 63-40049 53+4 + 2 = 96-2089 59 - 50 50 82-10074 48+1058 68-40038 64058+7 89-100 22 65-30032 38+2043 23+7031 630 57 +35 + 41+40 = 3+31+20 =41 + 1057 23+50+9 = 74-3062650

6、55 +9 82+3099 26 + 30 33 8+14 + 60 = 89+109341 + 40 = 50+20 =3410 = 24 20 =15+60 = 38+30 =54+20 = 34 20 =4010 =61 + 30 = 73+10 =43+50 =18+70 = 51+40 =70 60 = 68 40 =1710 = 52 20 =13+80 = 69 60 =17+10 =45+10 = 50 40 =10+70 = 70 40 =44+10 =15+60 =77 + 2 = 37 4 =86 9 = 4 + 81 =39 8 = 31 + 1 =8 + 76 = 6

7、7 6=2 + 74 = 6 + 46 =99 5= 2 + 73 = 43 + 6= 65 4= 21 + 1 =49 + 4= 39 5=4 + 46 = 26 - 5=70 2 = 8 + 75 =4 + 39 = 414 =3 + 85 = 8 + 58 =8650 = 10+40 =57+20 = 19+50 =60+30 =4430 =24+20 =53+40 =5740 = 4830 =13+70 =20+60 =2320 =29+60 =7550 =12 10 = 30+60 =11 + 60 = 11 + 80 =19 10 = 10+60 =6030 =11 + 60 =

8、16 10 =84-70045 36-8036 30 - 70 36 73-3060 99 - 30 85 61057+6 27+5 + 6 = 37-4035 34-3020 37+3044 44+7+1 = 61-40021 72-6062 45+8051 660 53+1 59+30+6 = 33 - 90 22 66054 + 4 65-40032 48 + 6057 890 77+1 1 + 21 + 50 = 30+5 + 8 = 68-30028 91-808512 10 =91-40 = 58-30 =29+60 = 50+30 = 50+30 =38 + 40 = 82-50

9、 = 35+60 = 19+70 =21 + 60 = 34+50 =40 + 40 = 58-50 =50 + 40 = 17+80 = 17+80 = 19 + 40 = 19+20 = 12-10 = 80-70 = 70-30 = 58-30 = 15+70 = 86-40 = 71-40 = 35 + 2 = 57-9= 78-1 = 55-1 = 10-6= 1+82 = 64-1 = 83-8= 7+15 = 9 + 71 = 75-8= 48-7= 33-1 = 90-5= 68-3= 66 + 2 = 93-1 = 73-3= 59-7= 51-4= 7 + 86 = 72

10、+ 7= 11-6 = 20-9= 23-9=24+30 =77+20 =23- 10 = 16+80 = 70+20 = 50+30 =70-40 =80-60 =70+20 =72-20 = 86+ 10 = 20- 10 =21 + 70 = 21-20 = 39+60 =38- 10 = 16- 10 = 16+50 =29+30 =30-20 =21-10 =52+40 =56-30 =22-20 =37+6041 38 - 50 32 31 + 9041 50-6059 13+50-4 = 33+2046 82+6093 43+3052 91-1080 23+9038 13+8 +

11、 5 = 890 79 +2 27+3037 75-4066 29+3039 89-20021 35 - 70 37 83 + 80 95 93 - 50 84 39 - 50 2939+40-1 = 88+4095 43+9057 86 - 800 68 72-20686660 =14+60 =20+70 =88-40 =12 + 70 = 16+60 =13-10 =50 + 40 = 41+40 = 17+50 =69-30 =30+30 =38-10 =15+60 =48-10 =61-40 =51+40 =60-40 =22 + 60 =46-40 = 70-20 =29+10 =8

12、3-50 =30+60 =54-50 =38+10 = 57-4= 29-7= 78 + 5= 27 + 4= 37-6= 66 5= 74-7= 18 + 7= 4 + 76 = 24-5= 37-4 = 24-3= 9 + 89 = 67+1 = 39 + 8= 70-3= 65-3= 3+11 = 68-2 = 74 + 9= 12-8= 18-4= 25-4= 18 + 9= 3 + 61 =92-3081 95-4089 22 + 20 33 26+7037 34+20+1 = 38 - 80 23 52-2055 59-9046 37 - 50 26 37+90417+13+70

13、= 50-5045 690 55 +3 51-7045 37 - 20 28 12+10-4 = 54-9051 26 + 20 33 28+6032 63-20035 82-60O50 21 + 4032 80-10O15 17+9 + 2 = 72-107010+ 10 = 10+20 = 42+40 = 11-10 = 29-20 = 11-10 = 51 + 40 = 92-60 = 97-50 = 70-30 = 82-50 = 10+50 = 14+30 = 84-20 = 10+60 = 21-20 = 60-30 = 13+80 = 26+40 = 28+30 = 16+70

14、= 91-10 = 20+40 = 51 + 40 = 10+20 =25 + 60 = 57-10 = 28+60 = 11-10 = 90-50 = 41-10 = 50-40 = 52 + 20 = 73-10 = 18+80 = 15-10 = 23 + 40 = 83-30 = 11-10 = 33-10 = 69-40 = 98-70 = 19-10 = 45-10 = 70-60 = 15+80 = 60-40 = 60-20 = 20+60 = 90-40 = 66-1 = 96 4= 26 + 4= 61-4= 49 6= 5 + 59 = 7 + 90 = 2 + 86 =

15、 32-6= 9 + 30 = 1+20 = 87-1 = 7+13 = 79+1 = 98-4= 8 + 45 = 47-6= 2 + 36 = 2 + 73 = 26-2 = 18-8= 5+10 = 5 + 24 = 9 + 33 = 1+58 =20+60 = 10+20 = 43+20 = 30+30 =22- 10 = 19+80 = 23+30 = 70-20 = 29+ 10 = 42+50 =25+9037 80-80O27 56-6041 89 + 90 95 65-20034 23+1038 21 + 3039 44+9053 35+1046 57-2042 32-702

16、7 86076+8 51 + 10-8 = 93 - 30 89 82079 + 4 72-9068 97-6088 83-60014 83 + 30 92 41 + 1059 23+8032 49+3056 28+9033 6+19 + 60 = 82072 + 266 50 = 40- 10 = 91-20 = 80-50 = 20+70 = 61-60 = 33+60 = 50+ 10 = 28- 10 = 64-50 = 56+40 = 6660 = 38-20 = 90-70 = 87-20 =2910 =50+30 =28+20 =12+70 =6330 =10+50 =20+60

17、 =7730 =9680 =70+10 =60+20 =4030 =39+50 = 34 20 =8830 =3430 = 90 20 =65+10 =4030 =30+20 =20+70 = 58 20 =9050 = 1910 =4630 =412 = 61 1 = 5 + 53 = 3 + 47 = 63 2 = 68 8= 37 5= 14 - 4 = 96 4 = 417 = 33 8= 10 8 = 79 8 = 29 8= 87 + 3= 815= 29 8= 55 2 = 18 + 6= 3 + 40 = 66 4= 581 = 716= 371 = 20 + 6 =2220

18、= 9050 =46+ 10 = 91 90 = 34 10 = 34 10 =30+60 = 30+60 =4620 = 6760 = 15 10 =8580 = 7270 =6820 =20+50 =66+30 = 4030 =23+40 = 29+60 = 18 10 = 61 50 = 16 10 =2220 = 72+20 =4+12 + 40 = 68-20048 81 + 70972+16 + 60 = 68052+5 62 - 400 32 39+1044 69-40041 69-20028 81077+9 13+50+1 = 69-30044 38+5 + 6 =2 + 43

19、+30 = 26 + 20 3387 + 30 93 3+13+70 =44+6059 22 + 50 38 85074+2 54+10+7 = 39+6049 50-9047 68051 + 9 58 - 90 5720+70 =37+20 = 41 10 =70+20 = 1710 =20+20 = 9070 =8070 = 2210 =67 60 = 20+70 =92 20 = 97 40 =99 60 = 8050 =2210 = 9070 =44 + 40 = 28 20 = 14+70 = 9070 =74+10 = 2310 = 21 + 30 = 78 20 = 60 40

20、= 5 + 54 = 391 = 52 + 3 = 7+14 = 72 9 = 881 = 8 + 75 = 68 4= 67 3= 6 + 53 = 271 = 40 3 = 23 3= 3 + 85 = 62 3= 52 3= 391 = 1+62 = 38 7= 519= 2 + 88 = 19 + 6= 78 8= 27 + 9= 19 7=27+70 = 8050 =40+30 = 50 10 =53+ 10 =4440 =21 + 30 = 29+20 =61 20 = 60+30 =42 10 = 27 10 = 9040 =27+30 =2220 =6930 =29+20 =3

21、0+60 =9030 =9720 =58+40 =7050 =15+40 =62052+7 3+14+70 = 90 - 20 86 62 - 200 39 61057+9 81-50041 58-5041 27+202 = 44+207 = 31 + 7049 66-20026 86072 + 4 47+8057 56-4057 79-9068 31 + 5049 32-8025 26+7 + 3 = 37 - 20 38 55+ 6 + 9 = 61 + 3 + 9 = 890 77 +36 + 47+10 = 84+3098 91-708544+50 = 9070 =26+20 =29+

22、50 =51 + 10 =31 + 30 = 17-10 =14+70 =70-10 =12+80 =27-20 =40+20 =55-50 =98-90 =49 + 40 =30 + 40 = 20+60 =91-50 =18+80 =52+30 =80-70 =64-20 =93-90 =31 + 50 = 88-50 =13+70 =51-20 =3 + 56 = 4 + 85 = 36-7= 47-2 = 9+10 = 77-6= 60-4=7 + 35 = 68 + 9= 44-1 = 38-7= 4+15 = 26-3= 9+14 = 30-8= 96-3= 54-1 =34 +

23、6= 8+12 = 3+19 = 76-3= 39-4= 23-1 = 13-7=86 + 2 =28+30 =40+50 =50+20 =8820 =9560 =70-60 =24+30 =10+50 =61-50 =10+60 =12+70 =67+30 =8540 =5750 =6850 =53+30 =60+30 =10+70 =18- 10 =7920 =60-30 =10+20 =80-40 =34+40 =62 - 200 38 37+9041 40+9 + 7 = 49+9055 83+1096 35+4043 95 - 30 80 95 - 50 88 64057+6 37+

24、2049 37 - 70 20 64-40021 25+50-9 = 58-1054 70+8 + 6 = 58 - 90 53 57 - 90 54 68+2 + 7 = 630 58 +9 33 - 90 35 66059+5 81-60074 97-4087 82+8098 61054+919- 10 =3120 = 4030 =34+60 = 16+60 =31 + 60 = 90 60 =30 20 = 70 40 = 4310 =6050 = 28 20 =90 60 = 4310 =26 20 = 9810 =30+60 =27+50 = 25+20 =76+10 = 78 40

25、 =2610 = 9030 =33+20 = 8550 =3010 = 6 + 57 = 83 5 = 5 + 43 = 65 - 3= 38 4= 3 + 44 = 64 9= 15 2 = 1+44 = 54 7= 86 4= 29 8= 16 2 = 87 1 = 87 5= 27 4= 5 + 21 = 29 8= 1+87 = 3+14 =40 + 2 = 18 3 = 92 8= 19 2 = 68 + 9=44+50 = 13+80 =54+30 = 70+ 10 =4240 = 37+ 10 =79+20 = 17+50 =17+20 = 8060 =6950 = 50+20

26、=29 10 = 49+50 =19 10 = 11 + 80 = 9770 = 8070 =6830 = 28 10 =46+30 = 6050 =46+40 = 46+50 =91-7082 63-40043 31-5026 2+37 + 40 = 64-20044 690 56 +8 35+5043 74-6061 45+8055 36+7042 48+1055 74-7061 74-2064 6+14 + 40 = 25+1039 68-40032 28+6 + 7 = 56-7053 53 - 7051 21 + 6037 8+19 + 60 = 78-3060 23+3037 28

27、+6031 45 + 60536020 =38+50 = 1410 =33+30 = 1910 =16+80 =1810 = 80 20 =13+30 = 8050 =46+30 =1910 = 83 60 =7050 = 29 20 =8010 = 5030 =72 + 20 = 10+10 =8770 =48+30 =8050 = 1810 =92 60 = 59 + 40 =60+20 =82 4 = 1+58 =76 + 8 = 99 6 = 41 - 3= 2 + 67 =87 7 = 69 7=79 2 = 78 6= 8 + 75 =79 8= 416=66 2 = 2+18 =

28、 27 4= 5 + 56 =70 2 = 36 4= 461 =48 7 = 3 + 38 = 241 = 2+15 = 101 =32+20 =22 10 = 12+80 = 4030 =9030 =21 + 70 = 7040 =9060 =38+40 =40+50 =7840 = 50+ 10 =5630 = 51 40 =20+50 =24+60 =15+60 =9050 =2920 =9060 =5920 =8070 =14+80 =29+70 =69+5+1 = 24+8032 3+23 + 40 = 14+70 + 4 = 34+2048 99 - 20 83 42+5054

29、32+2046 42+2057 13+60+8 = 32-7036 76-7062 67-30033 12+701 = 33 - 30 35 84+1091 77+10+7 = 43 + 6051 26+105 = 47+9057 66-30022 85071 + 3 28+10+5 = 34+2045 65-2002847+50 =40+50 = 1210 =19+30 = 3830 = 75 20 =70 60 = 10+60 =50 20 = 90 40 =9070 = 47+50 =59+30 =20+60 =3730 =32+30 = 37 + 40 =35 20 = 5450 =4

30、120 = 8030 =7970 = 26 + 40 = 58 40 =9070 = 9010 =59 8 = 6 + 55 =23 3= 6 + 45 =68 3= 3 + 32 = 9+16 = 213= 681 =80 9= 66 2 =50 + 9= 9 + 90 =57 8= 9 + 20 =19 3 = 90 + 9 = 371 =8 + 82 = 42 9=69 8= 59 7= 681 = 8+16 =19 2 =3920 =9040 =36+50 =5250 =67+20 =12+80 =17+30 =20+40 =15+40 =52+30 =25+40 =50+20 =90

31、40 =3720 =56+20 =15+60 =81 20 = 4920 =40+50 =8220 =7040 =8420 =2320 =7020 =36+1046 23+9031 1+42 + 20 = 6 + 49 + 20 = 31 + 9044 87-50061 13+60+7 = 94-9084 76-4062 30 - 90 22 8+38+30 = 65051 + 6 31-3030 63+3 + 8 = 23+7037 50+4+1 = 4+26 + 40 = 56-9058 41 + 40+2 = 18+30+7 = 91-6089 81071+4 60-40021 94-3

32、081 32-40218860 =34+50 = 46 40 =44+30 =10+70 =9070 =5610 =23+70 =12 + 60 = 36+10 =20+50 =31 + 50 = 8010 =8050 =14+80 =15+20 =19+80 =2010 = 90 60 =30+20 =20+60 =4010 =9990 =50 + 40 = 9590 =50+20 =701 = 6 + 51 = 16 2 = 86 2 = 17 + 2 = 9 + 27 = 12 + 9= 80 7 = 4 + 86 = 72 9 = 68 + 9= 14 + 3= 94 2 = 361

33、= 417= 54 2 = 47 + 6= 90 + 5 = 18 7 = 56 3= 89 3= 79 3= 70 2 = 59 5= 48 4=5720 =36+60 =8070 =9060 =9070 =19+80 =6620 =20+40 =7240 =10+40 =8070 =6540 =56+40 =6720 =24+50 =9040 =49+ 10 =14+70 =19 10 =54+40 =50+30 =17+70 =36+40 =30+30 =60-30027 84+2091 26+10 4 = 27+3033 57-6056 32+2 + 3 = 56-6047 78-10

34、65 62+9 + 2 = 22 + 30 36 79-9061 880 79 +6 47+2055 98 - 30 86 34+9048 84-80022 70-8068 890 73 +5 3+53 + 20 = 59-9048 87-100 77 42+5057 850 79 +8 77-5063 39-403916+70 =9050 = 9010 =19+60 = 56 + 40 =19+80 =10+10 =32 + 60 = 22+30 =52+30 =16+20 =21 10 = 20+50 =15+70 =6350 =5710 = 60 20 =8070 =10 + 40 =8

35、4 40 = 14+80 =38+50 = 37 20 =11 + 80 = 23+70 = 6550 =5 + 42 = 70 9 =76 9 = 461 = 26 - 5= 53 + 7= 1+43 = 29 4= 59 + 3= 96 2 = 15 2 = 9 + 64 = 59 8= 881 = 57 + 6= 73 2 = 21 1 = 78 2 = 39 7=85 3= 1+22 =69 + 2 = 42 8= 49 6= 915=10+40 =6950 = 3720 =6050 =20+70 =19+20 =5220 = 8340 =1110 =38+40 =33+60 =898

36、0 =37+40 =10+70 = 60+ 10 =13+80 =28 10 = 10+70 =47+ 10 = 29+70 =11 + 70 = 60 10 =36 10 = 3730 =63054+2 68-30038 34-4037 34+7048 69-40035 47+7051 80-40077 51-3056 80-100 29 38+40+7 = 9+33 + 20 = 5+19+70 = 78-1063 80-60048 32 + 40+9 = 34-5031 37 - 20 29 15+102 = 35-4027 21 + 6038 34-3023 11 + 60+3 = 2

37、5+3036 31 + 5041 56-80556020 =41 + 30 = 33-10 = 82-80 = 80-50 =24 + 40 = 90-50 = 70-60 = 23-10 = 10+60 = 70-20 =21 + 50 = 40+20 =53 + 40 = 60-50 = 27+10 = 28-10 = 89-30 = 60-40 = 33+30 = 40+50 = 68+10 = 30-10 = 60+10 = 68-60 = 41-30 =61-6= 7 + 62 = 6+15 = 82-3= 69 + 4= 60 + 9= 72-8= 8 + 26 = 35-4= 6

38、 + 81 =8 + 22 = 78-7= 74-3= 74-2 =1 + 33 = 7 + 36 = 1+44 = 61+7=8 + 65 = 55-8= 41-8= 45-2 = 59-5= 68-3= 64 6=60+30 = 70+ 10 =51-40 = 14+80 =38+60 = 53+20 =89- 10 = 42+ 10 =98-60 = 12+80 =15+80 = 17+30 =16+70 = 70-50 =60-50 = 10+ 10 =29+20 = 25-20 =60- 10 = 84- 10 = 12- 10 =92-80 = 12+40 =50-30 =85 +

39、 50 92 94-4085 880 75 +8 97 - 90 82 66-2002684073 + 4 89076+3 30+7+1 =2 + 48+10 = 96-9089 28+9033 670 59 +69+31 + 50 = 35 - 70 28 36+7048 58 - 20 58 39+2045 45 + 6058 98 - 80 85 85-30O80 680 56+1 62057 + 4 45+10+6 = 61-20025 17+8 + 2 =67-20 =10+70 = 8070 =46+30 = 11 + 60 = 6050 = 5910 = 3610 = 70 60

40、 = 10 + 40 = 1210 = 78 40 = 26+30 = 39+50 = 39+20 = 9050 = 8070 =48+30 = 29+50 =60+10 = 20+10 = 23 20 = 28 + 40 =35+60 = 78+10 = 41 + 10 =88 7 = 8+17 = 88 2 =20 + 2 = 79 4 =68 6= 7 + 58 = 751 = 26 7=68 7= 16 9= 79 4= 851 =96 5= 614= 161 =65 2 = 1+30 = 77 5 = 39 7 = 17 7 = 5 + 71 = 531 = 8 + 74 = 47

41、4 =80+ 10 = 5330 = 4230 =16+80 = 33+20 =71 40 = 7250 = 8020 = 8460 =15+80 = 67+20 =18+50 = 68 10 =61 40 = 9070 = 6430 =55+ 10 = 8450 =20+20 = 11 + 50 =15+ 10 = 46+50 =30+60 = 17+60 =45+ 40+ 8 = 26 + 60 39 64052+331 + 2048 17+3 + 3 =22 + 50 3581 + 5096 84073+389 + 50 97 9+36+30 = 86078+6 28+7036 8807

42、6+8 680 59 +8630 53 +6 32+2043 56-7050 86+8098 89+1097 75-606285 + 90 92 19+709 =880 78+1 63-2004282 - 300 3818+80 =51 + 20 = 14+70 = 34+60 = 58 20 = 4330 = 36 20 = 1410 = 1410 = 25 + 40 = 13+80 = 26+60 = 62+30 = 3010 = 20+30 = 2310 = 41+40 = 40 + 40 = 29 + 40 = 50+20 = 16+70 = 29+10 = 20+70 = 60 20

43、 = 6050 = 8070 =42 + 7 = 66 6= 121 =65 2 = 58 + 3= 6+15 =2 + 50 = 74 5=84 3= 5 + 51 =69 7= 77 5 =7 + 56 = 45 + 8=5 + 78 = 52 + 2 =50 5= 1+89 = 18 5=46 5= 40+1 =2 + 47 = 33 + 8 =16 4 =18 2 =6830 =38+50 =12+40 =7960 =77+20 =9350 =38+60 =60 10 =36+50 =3720 =85+ 10 =6020 =35+50 =3530 =80+ 10 =7060 =18+8

44、0 =8880 =9460 =21 + 10 = 6760 =9640 =6050 =8030 =77-6065 36+1043 65-40023 4+26 + 60 = 92-6084 31-6034 86+4099 880 78 +2 21 + 6031 83-20050 61-20050 89 + 90 98 39+1+9 = 85-80050 64 - 300 33 96-8087 4+36 + 40 = 68-40047 85076+1 46+9056 35+604135+9044 55-8049 40+7 + 9 =25+609 =5850 =66 60 = 50 + 40 = 8

45、580 =2410 =43+50 =40+50 =28+60 =1410 =19+50 =35+20 =8030 =13+30 =7610 = 93 40 =44+50 =2410 = 68 20 =9570 =30+60 =10+30 =6310 =40+30 =13+50 =49+10 =30+50 =65 6= 9 + 67 =9 + 30 = 9 + 27 =7 + 46 = 37 5=3 + 50 = 58 6= 891 =43 4= 92 6=30 5= 67 9=67 - 5= 65 2 =42 5= 39 6=11 + 7 = 74 + 5=80 + 3 = 13 6=9 +

46、61 = 881 =65 8= 29 5=26+70 =30+40 =30+50 =13+80 =8020 =78+ 10 =13+60 =50 10 =8270 =35+60 =17+70 =5250 =9790 =12+80 =9360 =2420 =14+20 =28+70 =7960 =1110 =12+70 =39+60 =3020 =7920 =630 56 +7 83-30060 36+7045 82-30048 670 59 +6 51-3047 68-20039 89 + 20 96 84071+4 69-20022 38 - 80 39 23+601 = 39+30+1 =

47、 68051 + 2 24+8035 22+508 = 31-6034 83076+1 98-6083 20+4 + 7 = 81078+3 33-4036 38 - 90 30 74-7069 55 - 80 5052 10 =60+30 =20+60 =80-60 =77+20 =12+70 =35-30 =21+40 =59+30 =17+70 =70+10 =50-30 =39-30 =41+40 =49+50 =21+40 =36-10 =45+10 =54-50 =85-10 =48+50 =50-10 =40 + 40 =85-60 =37+50 =13+70 = 81-6= 2

48、+13 = 4+13 = 89-6= 9 + 79 = 28-7= 85-3= 38-1 = 65-2 = 54-7= 67 + 5= 46 9= 6 + 71 = 73-1 = 78-7= 15-3= 98-5= 4 + 22 = 81-7= 87-6= 25-8= 18-2 = 5 + 71 = 6 + 80 = 49-7=65-40045 21 + 2037 32+50+9 = 38+9042 89 + 30 92 89-30073 88 + 20 97 23+60-5 = 51-5042 35+8049 61-300 22 53 - 30 57 83 + 20 96 64-20049

49、95 - 80 88 16+3 + 6 = 61 + 9 + 6 = 82+9094 81 + 4096 37 - 50 30 67054+7 3+21+60 = 30-6037 22+6034 51-804060- 10 = 31-10 = 3530 = 40+40 = 35+40 = 15+80 = 50-40 = 21 + 40 = 70+20 = 40-20 = 20+ 10 = 96-80 = 11 + 80 = 57+40 = 24+50 = 80- 10 = 10+70 = 50-40 = 90-70 = 60-40 = 21-10 = 34- 10 = 22+60 = 70-6

50、0 = 23- 10 =10+60 =40+30 =90-60 =70-10 =50+10 =37-20 =22-20 =29-10 =11 + 40 =92-40 =82-30 =10+20 =90-30 =78-60 =80-20 = 66 60 =46-20 =27+50 =40 + 40 =27+50 =40-10 =33-30 =67+10 = 30 + 40 =25-10 =4 + 67 = 39 4= 92 6=8 + 52 = 1+23 = 72 6= 27 6=4 + 63 = 9 + 32 = 66 2 = 38 9= 57 6= 2 + 90 = 56 3= 72 + 5

51、= 631 = 64 3= 2 + 66 = 65 5= 971 = 4 + 28 = 46 3= 30 6= 25 5= 19 7=50+40 =22+70 =80-40 = 11-10 =44-20 =70+20 =15+60 =17+70 =34-20 =75-30 =20+50 =26- 10 = 90-50 =53+40 =70- 10 = 71-20 =17+70 =78+20 =40-30 =78-50 =20+70 =25+40 =20+30 =80-70 =33+8048 87074+2 58-1042 64057+7 77-4068 41 + 7053 88-50067 3

52、9 - 80 30 87 + 7091 42+6056 56-2057 86075+8 86078+5 12+8 + 2 = 52-1060 26 + 70 35 37+9042 59-3049 74-6063 33+20+9 = 84-60025 31-4023 50 - 50 55 16+50 + 4 = 18+70+8 =55-30 =85 20 = 5030 = 9030 =11 10 = 3910 = 1310 = 30+30 = 70 40 = 60+30 = 50 + 40 = 2010 = 5910 = 30+60 = 30 + 40 =21 + 60 = 16+80 = 8050 =11 + 60 = 9120 = 40+30 = 32 20 = 3610 = 4410 = 20+50 = 70+20 =88 3 = 551 =55 2 = 77