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1、80+10 =39-4 =4 + 62 =56 6 =60-3 =34-20 =35-7-53-8=30-10 =90-30 =56 + 35 =45 20 =33 + 7 =5 + 89 =68-60 =20 + 16 =45 + 3 =17 + 73 =60-53 =47-11 =14 8 =26 + 9 =67-30 =72 8 =27 + 9 =95-9 =94 + 6 =30 + 25二90-90 =30 + 9 =80 + 9 =60 + 33 =74 3 =84-3 =28 + 40 =76-40 =13 + 70 =30+19 =97-70 =80-75 =88-88 =96-
2、73 =86-6 =44 + 30 =40 + 30 =34 + 6 =76 + 8 =47 + 30 =92 + 5=80-30 =53-3 =38 + 30 =27 + 40 =28 + 9 =61 + 7 =84-30 =77-70 =45 + 30 =53-35 =76 + 23 =53 + 33 =54+13 =47 24 =93-60 =71 + 5 =86 4 =35-20 =25 + 8 =20 + 45 =6 + 45 二50-20 =4+60 =67 + 20 =93-70 =63 + 30 =51 + 40 =75 + 8 =29 + 8 =45-30 =14 + 67
3、=20+7 二45-6 =85 + 11 =31 + 30 =43+8 =15-6 =80-60 =23+30 =60-6 =13-6 =40-8 =30+47 =23+7 =41+6 =26-7 =83-30 =24+9 =3+46 =45-5 =39+1 =46+ ()=64()-26=54()+23=7033+()=44()+15=3145-()=435-()=1265-()=3244-()=970-()=2380+()=91()+52=6131+()=37()-30=1741-()=94+ ()=29()+6=3277-()=70()+50=70()+3=1737-()=725+()=
4、5115-()=850-()=21()+62=6287-()=7831-()=15()+6=4243+()=52()-16=680-()=25()+30=41列竖式:42-13+13=61+9-20=38-14+6=29+8+20二21-9+16=71-8-5=19+4-4=33+7-8=18+50-7=3+37-4=81-5-20=20+9-8=70+5+10=25-5-8=54+3-5=70-5+42=18+50-7=80-6+35=90-6+30=16-7 + 6=17+6+9 =43-3-20=60+3-9=68+7-9 =50-40+6=72+8-30=45+9-30=5+30-20
5、=20+46-6=34-15+4=14+60-8=24-10-7=34+16-4=11-6+8=5+30+2=69-9+5=84-4+6=18-9+19=80-2+4=57-7+10=92-2+7=27+2-6=72-70+9=17+10-7=36-20-4=15-6+3=11-3+8=43-6+25=80-24-17=26-2+25=72-3+19=14+8-13=29-6+40=35+10-7=34-8+13=20+15+6=74-50-20=7+22+6=65-6-30=18+8-9=15+9-20=43-8+20=54+40-70=75-9-40=83-30-6=70-4+7=25+3
6、0-5=98-40+8=55-7+40=71-1+7=83-6+15=70+20-7=25+40-36=21+30-7=37-2+40=17+24-16=92-82 =63-47 =94 24 =52 + 12 =79-34 =96-54 =27 + 30 =63-35 =38-37 =57-55 =31-15 =100-9 =85-5 =85 + 11 =82-46 =38-17 =50-44 =100-79 =99-23 =48 + 44 =14 + 55 =62 + 26 =18-9 =3215 =59-7 =41 + 56 =100-94 =30+28 =76+18 =77 + 6 =
7、93-43 =13 + 69 =61-50 =88+12 =17 + 42 =67 + 33 =60-13 =11-2 =87-55 =50 + 22 =85-23 =91 74 =81-48 =14+82 =70+18 =56 + 7 =41-19 =50+1 =41 28 =71 + 14 =12-7 =88-27 =90-46 =45 + 30 =88-12 =63-29 =59 + 4 =100-21 =15 + 43 =82-54 =51+45 =36-11 =39+17 =29 + 21 =8 + 59 =58+12 =33 + 17 = 60-31=24+6=7 + 83 二51
8、 + 8=3 + 73 =55-14 =45-3 =30 21 二35-6 =51-30 =39 + 47 =97-9 =17 + 68 =73 + 8 =48-11 =21 + 74 =59+11 =50-7 =30 + 58 =71 4 =88-2 =80+16 =80-46 =91-60 =92-2 =25 + 35 =80-16 =91 + 8 =3 + 61 =65 65 =13-7 =65+17 =13-7 =59 + 40 =64-17 =31-18 =20 + 63 =5 + 50 =46 + 52 =39 + 51 =2813 =97-23 =99-34 =35-12 =53
9、 29 =67 + 2 =39-11 =27 + 54 =72-17 =65 + 17 =5 + 74 =64-17 =27 + 49 =65-61 =4 + 81 =27 + 49 =65-18 =50-14 =71-11 =82+10 =33 + 56 =63+18 =30 + 47 =28 + 65 =82-74 =71 68 =75-43 =12 + 62 =72-35 =12 + 81 =51 + 25 =33-14 =51 + 25 =65+17 =15 + 74 =51 + 19 =6 + 81 =25 + 52 =16 + 36 =92 43 =57 + 36 =55-7 =3
10、7 + 33 =70-18 =94-40 =45+13 =44 26 =93-9 =85-28 =49-2 =59 + 4 =4+81 =51 + 19 =65 + 17 =33-14 =61-3 =71-66 =52-48 =16 + 25 =22-4 =3 + 47 =79-35 =76+11 =79 8 =56-40 =34-25 =69 + 6 =97 55 =79-73 =77 + 7 =20 + 43 =51 + 17 =67 - 66 =16 + 72 =67-36 =99-87 =86-54 =16 + 45 =53-10 =25 + 73 =75-25 =94 + 3 =93
11、-87 =93-57 =10 + 69 =58+18 =35 + 38 =53 + 47 =72 + 12 =62 + 26 =97-78 =29 + 49 =88-25 =77 + 7 =88-25 =51 + 17 =67-11 =55 + 44 =75+10 =98-55 =63-32 =99-43 =21 + 68 =29 + 41 =52 + 30 =9448 =19-5 =93-26 =69-25 =5430 =67 66 =67-36 =45 + 44 =99-87 =20 + 43 =29 + 49 =18 + 73 =39-34 =56+14 =15 + 72 =50-3 =
12、51+44 =24-1 =20 + 69 =77-21 =3 + 91 =58 9 =54-19 =20 + 78 =16 + 50 =75 37 =42 + 55 =16 + 72 =42 + 55 =97-78 =75 37 =45 + 44 =20 + 38 =53 + 41 =69 + 19 =78-40 =36-5 =89-9 =21-14 =80 70 =9 + 50 = 81-31 =4 + 61 =39 + 59 = 60-28 =83 56 = 25-24 =30 + 63 = 99-16 =31-8 =81 + 9 = 91-51 =41 + 54 = 90 64 =45-
13、38 = 54+13 =17 + 42 =63 + 5 =92-7 =70 + 17 =53 + 25 =34+54 =64+34 =29-5 =77 71 =74-46 =77 + 14 =90-21 =61 + 36 =100-83 =68 + 23 =73-37 =59-38 =8248 =87-36 =31+42 =38-12 =15+66 =46 + 33 =54-50 =46 + 39 =38 + 22 =29-16 =2 + 49 =50-30 =33 + 66 =77 + 15 =70-65 =49 44 =67+17 =73-61 =27 + 43 =79 10 =29 +
14、24 =9 + 58 =82-45 =81-35 =5548 =88 + 9 =72-13 =51 + 18 =14 + 75 =77 + 2 =57 + 3 =53-13 =23 + 46 =88-15 =26 3 =6416 =50 + 33 =5342 =74 + 8 =8547 =7 + 48 =21 + 46 =5142 =88-72 =23 + 60 =73 + 26 =65 19 二39 + 8=45-27=98-70=47 + 65=17-9 =5 +43 =98-7 =79-60 =55+ 7 =47 + 30 =63-6 =78-30 =65- 7 =82- 5 =36 +
15、 7 =47 + 50 =16-9=30-20=40 + 30=50 + 6=26-10=28 + 30=13-4=7 + 60=53-30=14-8=34-20=80-50=64 40二40 + 50=27 10=42 + 8-50-9=6 + 24=27 + 30=75-40=30+15=56-8=72-30=34 + 6=75-7=58-30=70-25=55 + 7=68 + 7=89 + 2=53-12=17 + 9=71-6-76 + 23二43 + 8 二87 55二30 + 45=84-4=47-9=13+60=40+14=48-20=78-20=58+10二81+10=38-
16、6=78+8=68-60=25+7 =50-8-86-5=4+65 二20+67=42+30=73-40=85-7=8+45 二76-60=22+7=30-2=90+9=60-30=51+8=7+83=85-5=98-70=25+7=52-8=70+27=46+7=86-5=46-5=45-9=35-23=8+47=19+31=35+26二28+47=19+21=25+9 二16+27二16+35二65+6 二91-24=96-7=65+5=39+8=4+65=24+6 二45-30=28-9=16-5=72+8=90-63=41-5=72-11=47+16二81-52二51+49二38+52
17、二29+61=24+74=10+85=70+16=55+9 二99-32=34+58二32+57二20+38=38-19=71-46=96-22=52-3=64+14=57-24=4+96 二55+17二71-28=26-8-17+36二79+6=95-62=21+59=37+7=34+46二79+13=48+25二64-9=4+73=36+23=29+57=85-17=35-24二35-18-32+54二24-7-85-4=53-29=37+15=70-36=26+20二42-5=7+54 二9+51 二68-11=33+9 =78-20=51-33=26-24=80-21=65+24二81
18、-46=26+50=87-78=68-31=68-60=72-33=35-32=50-39=7+23=90-3=49-11=87-73=48+22二82-16=32-12-90-36=37+41二86-82=4+70 二45-21=31-8=5+11=76-43=42+54二86-46二37-32=25+42=52-20=59-22=26T 二0+58 二61+32二17+70二89-46=35+43=89-78=13+19=71-57=74-21=93-52二81-11=11+81=51-6=85-16=26+14=76-44=29-8=35-34=55+45二90-9=24-7-46+5 二13-9-8+57=34+25=98-70=58-19=65+20二39+7 二25+7=50-8=86-5=4+65=20+67=42+39=73-40=85-7-8+45 二76-60=65-47=28+54=68+29=92-46=36+57二70-25=35+
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