以内混合加减带括有答案

1、练习题2. 53-(47-38)=27 .51-10+2=52 .52-(16-8)=3. 30-(22-11)=28 .27-(3+22)=53 .3-(2+1)=4. 13-(2+6)=29 .28-24+23=54 .32-(7+12)=5. 52-(51-47)=30 .31-(7+2)=55 .18-(2+12)=6. 5+1-2=31 .19+35-3=56 .43-(42-5)=7. 44-(16+14)=32 .43-18+12=57 .23-(4+1)=8. 85-72+4=33 .83-(23+51)=58 .66-29+33=9. 11-(4-3)=34 .35+33-4

2、3=59 . 79+14-15=10. 53-38+11=35 .5+68-38=60 .3-(2+1)=11. 44-(16-8)=36 .21+37-3=61 .67-43+32=12. 4+87-48=37 .76-(64-11)=62 .77-(63-37)=13. 76-(69-55)=38 .74+12-26=63 .94-(62+23)=14. 41-67+55=39 .75-(46+24)=64. 65-(54-50)=15. 27-(18+2)=40 .60-(24-6)=65 .66-(28+26)=16. 4-(1+2)=41 .7-(1-1)=66 .32+8-24=1

3、7. 7-2+35=42 .45-85+51=67 .25-(7-6)=18. 6-(3-1)=43 .42-26+45=68 .91-(86-71)=19. 20-(19+1)=44 .50+11-11=69 .46-(7-5)=20. 50-(6-2)=45 .42-(26-14)=70. 82+17-17=21 . 29+68-77=46 .80-68+2=71 .38+59-48=22 . 76-(25-23)=47 .66+2-18=72 . 59-(51-44)=23 . 41-37+37=48 .25+61-20=73 .55-(13+34)=24 . 84+1-56=49 .5

4、8-34+13=74 .29-(25+2)=25 . 58-32+10=50. 97-(4-1)=75 .53-32+31=练习题二1 . 33-(27+1)=26 .95-(64-2)=51 .67+2-19=2 . 68-30+17=27 .26-24+12=52 .86-(8+22)=3 . 32+45-23=28 .19-0+47=53 .24-(14+2)=4 . 65-(64+1)=29 .83+15-22=54 .16-8+0=5 . 19-(4-2)=30 .25-(11-5)=55 .71-(49+21)=6 . 54-(36-23)=31 .30-(19-4)=56 .0-

5、(0-0)=7 . 19-(16-4)=32 .42-(20-10)=57 .40-62+50=8 . 26+27-23=33 .86-(49-2)=58 .24-(6+7)=9 . 10+75-69=34 .37-(14+4)=59 .37+44-76=10 . 44+41-54=35 .34-(30-24)=60 .81-12+5=11 . 50-37+9=36 .28-(25-11)=61 . 30-(9+4)=12 . 49+18-42=37 .59-(57-8)=62 .67+30-82=64 .13 . 81-(42+7)=38 .38+33-45=63 .70-(25+2)=14

6、 . 29-19+60=39 .30-(17-3)=81-(64-56)=15 .7-74+69=40 .54+25-41=65 .23-(15+1)=16 .52-83+42=41 .98-(37+12)=66 .88-80+4=17 .11-72+68=42 .56-19+19=67 .15+1-7=18 .12-(10-8)=43 .57-(21+24)=68 .23-(16-6)=19 .23-21+0=44 .38+5-23=69 .60-22+32=20 .46-(4-3)=45 .73-(3-2)=70 .85+8-26=21 .59+28-78=46 .62-37+16=71

7、.72-(17+49)=22 . 79+15-33=47 .62-48+11=72 .80-(18-12)=23 .8-(2+1)=48 .30-(1+4)=73 .20-(3+16)=24 .18-12+2=49 .5+77-51= 742+35-14=25 .4+71-16=50 .1-(1+0)= 7522-(4+14)=练习题三1 .0+23-7=26 .15+78-57=51 .63+30-60=2 .83-(39-11)=27 .43-21+24=52 .67+21-56=3 .74-19+13=28 .28-(24-22)=53. 68+30-18=4 .64-(57-54)=2

8、9 .87+9-86= 54.83-(26-19)=5 .91-(88-49)=30 .32-(23+7)= 55 .12-(6-2)=6. 78-(61+6)=31 .18-10+24=56 . 33-68+51=7. 22-46+40=32 .64-13+17=57 . 16-58+57=8. 78-(4+9)=46-(25+2)=33 .69+10-18=58 .9. 70-(47-46)=34 .61+34-3=59 .36-(16-10)=10. 66-(42-35)=35 .63-50+13=60. 25+40-7=11. 46-(2+18)=36 .83-13+2=61 .93-

9、(58-44)=12. 37+32-26=37 .70-35+16=62 . 56+35-79=13. 53-(8-7)=38 .89-(60+23)=63 . 24+5-21=14. 76+18-73=39 .84-(72+1)=64 . 68-(26-1)=15. 15-(5+1)=40 .2+71-52=65. 53+5-55=16. 44+36-50=43-(17+18)=41 .60-(26-3)=66 .17. 84+2-17=42 .38-(37+1)=67 .88-(40-11)=18. 78-(33+33)=43 .31+56-41=68. 36-(35+1)=19. 9+2

10、8-9=44 .79+16-48=69. 50-(25+6)=20. 30-17+9=45 .53-(24-13)=70 .54-75+37=21. 38-(36-8)=46 .13-20+15=71 . 2+44-25=22. 76+6-80=47 .83-(13-11)=72 .96-(64-22)=23. 19-(6+5)=49-(19+23)=48 .73-13+21=73 .24. 69-(39-25)=49 .34-(5-1)=74. 14-(7-1)=25 . 1-(1+0)=50 .55-(31+10)= 75 .44+37-79=练习题四1 . 14-(8-2)=26 .58

11、-(9+14)=51. 9-(6-3)=2 . 77+13-19=27 .64-(22-3)=52 . 62+29-66=3 . 89-(62+21)=28 .69-5+27= 5343-(4+8)=4 . 22+31-40=29 .99-(39+59)=54. 19+51-63=5 . 86-(24+45)=30 .6-(2+3)= 557+12-15=6 . 91-(35-17)=31 .0+15-2= 5631+19-18=7 . 20-(6+11)=32 .43-40+0= 57.10+44-48=8 . 19-(9-6)=33 .35-(18-17)=58. 44-24+23=9 .

12、 83-(65-37)=34 .17+76-21=59 .18-(12+3)=10 . 9+0-6=35 .81-(23+52)=60. 70-(48+1)=11 . 43-(15-8)=36 .65-(39+25)=61. 33-68+55=12 . 84-48+14=37 .45+25-60=62 . 28+20-32=13 . 56-(5-3)=38 .88-(18-6)=63 .39-(38-9)=14 . 33+40-0=39 .85+11-2= 6439-(7-3)=15 . 86-(65-37)=40 .68-(6-1)=65 .62+20-46=16 . 1-(1-1)=41

13、.20-1+75= 66.58-(19+5)=17 . 47-(7+25)=42 .49-50+26=67 .49-76+37=18 . 21-(4-1)=43 .61-2+18=68 .64-(46-11)=19 . 9-(3-1)=44 .99-(10+31)= 69 .38+43-22=20. 93-(83+1)=45 .18-(13+4)=70. 43+55-27=21. 71-30+4=46 .12-(10+1)=71. 36-(35+1)=22. 2+27-3=47 .2+44-23=72 .20+56-53=23. 60+35-14=48 .42-75+49=73 .67-(45

14、+17)=24. 67-35+13=49 .35-(21-10)=74 .41-(11-1)=25. 28-(13+6)=50 .51+13-57=75 .45-83+45=练习题五1. 14-(8-2)=26 .58-(9+14)=51 .9-(6-3)=2. 77+13-19=27 .64-(22-3)=52 .62+29-66=3. 89-(62+21)=28 .69-5+27=53 .43-(4+8)=4. 22+31-40=29 .99-(39+59)=54 .19+51-63=5. 86-(24+45)=30 .6-(2+3)=55 .7+12-15=6. 91-(35-17)=3

15、1 .0+15-2=56 .31+19-18=7. 20-(6+11)=32 .43-40+0=57 .10+44-48=8. 19-(9-6)=33 .35-(18-17)=58 .44-24+23=9. 83-(65-37)=34 .17+76-21=59 .18-(12+3)=10. 9+0-6=35 .81-(23+52)=60 .70-(48+1)=11. 43-(15-8)=36 .65-(39+25)=61 .33-68+55=12. 84-48+14=37 .45+25-60=62 .28+20-32=13. 56-(5-3)=38 .88-(18-6)=63 .39-(38-

16、9)=14 . 33+40-0=39 .85+11-2=64 .39-(7-3)=15 . 86-(65-37)=40 .68-(6-1)=65 .62+20-46=16 . 1-(1-1)=41 .20-1+75=66 .58-(19+5)=17 . 47-(7+25)=42 .49-50+26=67 .49-76+37=18 . 21-(4-1)=43 .61-2+18=68. 64-(46-11)=19 . 9-(3-1)=44 .99-(10+31)=69 .38+43-22=20 . 93-(83+1)=45 .18-(13+4)=70 .43+55-27=21 . 71-30+4=

17、46 .12-(10+1)=71 .36-(35+1)=22 . 2+27-3=47 .2+44-23=72 .20+56-53=23 . 60+35-14=48 .42-75+49=73 .67-(45+17)=24 . 67-35+13=49 .35-(21-10)=74. 41-(11-1)=25 . 28-(13+6)=50 .51+13-57=75 .45-83+45=练习题六1 . 10-8+1=26 .60+38-61=51 .92-(28+50)=2 . 92-(44+26)=27 .56-49+35=52 .75-(65+3)=3 . 58-(39-14)=28 .56-(1

18、1-4)=53 .26-(24+1)=4 . 51-(40+7)=29 .74+24-9=54 .87-77+6=5 . 51-(18+5)=30 .83+0-4=55 .21-(12-1)=6 . 54-18+45=31 .73-(60-51)=56. 77+19-8=7 . 11+51-51=32 .23-(8+7)=57 . 82-51+15=8 . 94-(50-28)=33 .16-9+34=58 .12+67-31=9. 84-(49-20)=34 .14-(2-1)=59 .84+15-9=10. 87-8+2=35 .83-(10+11)=60 . 23-1+69=11. 40

19、-(38+1)=36 .58+5-43=61 . 34-7+36=12. 57+30-35=37 .78-38+17=62 .17+73-50=13. 86+11-73=38 .68+21-58=63 .87-(51-34)=14. 90-(21+23)=39 .0+92-74=64 . 58-(15-6)=15. 49-(16-13)=40 .93-(28+45)=65 . 73-13+26=16. 94-(62-14)=41 .21+23-36=66 .15-12+6=17. 0-(0+0)=42 .38-(7+9)=67 .64-1+1=18. 26+51-73=43 .82+5-77=

20、68 .9+88-85=19. 92-(15+26)=44 .23+66-60=69 .26-(21+4)=20. 62-30+14=45 .47-5+3=70 .56+37-30=21. 71-8+3=46 .36-19+9=71 . 42+48-39=22. 52-(24+16)=47 .21+46-17=72 .13-(10+1)=23. 15-(4-2)=48 .50-(27+11)=73 .1-(1-1)=24. 15-9+11=49 .35-(3-1)=74 .32-(12-9)=25. 33-(5+4)=50 .9-(2-1)=75 .67-(35+12)=练习题七1. 75+1

21、4-38=26 .27-11+45=51 .46-35+16=2. 12-(1+10)=27 .20+9-10=52 . 10+46-41=3. 21-(12+5)=28 .23-(6+7)=53 .38-(4-2)=4. 83-58+10=29 .64-(54-10)=54 . 82-(35-17)=5. 89+2-1=30 .44-(19+13)=55 .19-(4-2)=6. 66-47+13=31 .52-(13-10)=56. 46-(15+9)=7. 44-56+51=32 .30-(23-12)=57. 37+18-7=8. 46+41-44=33 .50-37+2=58 .5-

22、(2-1)=9. 61-33+33=85-(19-17)=34 .30+58-53=59 .10. 2-(1+1)=35 .7+0-5=60 .32+0-8=11. 76-26+0=36 .37+39-74=61 .20-18+64=12. 47+32-62=37 .10-(7+1)=62 . 82+0-3513. 72-(60-18)=38 .68-(22-18)=63 .44-20+24=14. 89-(49+33)=39 .15+18-10=64 .82-61+16=15. 32-0+26=40 .12-(11+1)=65 .7-(2+3)=16. 52+20-62=41 .84-76+

23、5=66 .40-(10-8)=17. 63+12-8=42 .41-29+27=67 .68-(25+8)=18. 30-(9-5)=43 .73+4-30=68 .26+29-18=19. 7-(2-1)=44 .5-0+88=69 .99-(12+1)=20. 82+9-1=45 .64+18-63=70 .37+45-8=21. 31-(17-14)=46 .6-(4+1)=71 .48+13-35=22. 58-(16+14)=47 .81-(77+3)=72 .92-(15-2)=23. 62-(53+7)=48 .1+0-0=73 .37-(5-3)=24. 53+40-42=4

24、9 .17-(10+1)=74. 95-(75-69)=25 . 14-30+21=50 .26-6+18=75 .57-(26-25)=练习题八1 . 59-15+28=26 .46-27+16=51 .53-21+19=2 . 51+32-22=27 .36-15+14=52 .79-45+2=3 . 30+67-62=28 .16-(1-1)=53 .76-(35-1)=4 . 38-(24-7)=29 .80+5-2=54 .45+52-94=5 . 86-(27-21)=30 .35-16+11=55 .15+30-0=6 . 13-(12+1)=31 .82-65+8=56 . 6

25、0-(28-18)=7 . 29-87+67=32 .26-(6-5)=57 .97-(25+6)=8 . 4-(3-1)=33 .63-59+29=58 .77-(7-2)=9 . 41+27-21=34 .63-(2+55)=59 .59-21+34=10 . 9+87-16=35 .22-(7+9)=60 .59-(49+2)=11 . 75-(8-4)=36 .47-(26+12)=61 .22+41-38=12 . 16-56+50=37 .15+55-16=62 .48-31+41=13 . 36+50-25=38 .65-56+10=63 .3-(1+1)=14 . 56-(38

26、-31)=39 .79-(63-35)=64 . 24-(15+2)=15 . 1+98-39=40 .88-16+5=65 . 22-(12+9)=16 . 29-33+14=41 .39-(11-4)=66 .71+15-24=17 . 48-(45-14)=42 .47-28+25=67 .58-66+17=18 . 71-59+5=43 .44-(2+16)=68 . 49+6-17=19. 79-(12+19)=44 .56-(20+32)=69. 53-(7-4)=20. 95-(62-60)=45 .81+15-84=70 . 54+38-52=21. 61+26-76=46 .

27、17-(2-1)=71 .60-(27-17)=22. 39-1+4=47 .59-(32+26)=72. 59-(14-1)=23. 63-21+18=48 .79-(61+7)=73 . 49-(9-7)=24. 73-38+25=49 .35+46-74=74 . 68-31+2=25. 43-(16-12)=50 .77+8-46=75 .60-(13+44)=练习题九1. 99-(35+40)=26 .26-9+26=51 .68-(26+28)=2. 28+59-25=27 .73-(71-41)=52 . 9+59-7=3. 52-(28-24)=28 .17-(14+1)=53

28、. 90-(1+77)=4. 65-(40-26)=29 .42-(2+11)=54. 19-(18+1)=5. 4+5-5=30 .76-(53-10)=55 . 16-(1-1)=6. 97-(26-2)=31 .40-(29-23)=56 . 81+11-89=7. 22-(3+16)=32 .59-0+13=57 .40-(28+7)=8. 54-24+0=33 .19-(2-1)=58 . 66-(33+21)=9. 19-(9+9)=34 .60-(53-31)=59 . 92-(70+4)=10. 0-(0-0)=35 .51-(45-33)=60. 43-17+15=11. 3

29、9+13-21=36 .34-29+0=61 . 47-(33-24)=12. 86-8+5=37 .30-(8+19)=62. 70+17-17=13. 41-(17-9)=38 .15-(2+12)=63 . 54+38-14=14. 65+6-43=39 .22-20+12=64 .13+40-39=15. 2-(1-1)=40 .52-75+44=65 .63-(10+19)=16. 54-(41-16)=41 .43+44-48=66 .38-(22-3)=17. 41-(32-26)=42 .97-(55-15)=67 .16-40+26=18. 35-57+50=43 .51-(

30、28+13)=68. 25-18+10=19. 17-9+8=44 .57-(27+27)=69 .16-(7-6)=20. 83-(31-30)=45 .12-(11+1)=70 .10+71-29=21. 67-(27+5)=46 .80+16-54=71 .35-(17-8)=22. 74-(14+20)=47 .59+13-38=72 .60-(53-28)=23. 80-54+6=48 .89+8-65=73 .76+2-15=24. 18-9+0=49 .0-(0-0)=74 .40-(8-5)=25. 31-16+3=50 .48-37+1=75 .71-(29-13)=练习题十

31、1. 90-(57+18)=26 .17+44-58=51 .71+4-25=2. 41+34-2=27 .5-(2-1)=52 .86-(73-64)=3. 26-(4+7)=28 .16-(4+6)=53 .63-(13+31)=4. 35-(3+12)=29 .55+21-69=54 .63-(6+2)=5. 17-(16+1)=30 .4-(2-1)=55 .46-(16+3)=6. 8-65+62=31 .23+11-25=56 .28-7+70=7. 56+36-46=32 .38-(12+15)=57. 55-(1+11)=8. 17-(11+1)=33 .9+5-3=58 .7

32、0-41+16=9 . 11-(6+4)=34 .1-(1-1)=59. 54-(10+5)=10 . 51-(35+9)=35 .0-(0-0)=60 .88-(22+29)=11 . 75-(47-35)=36 .38+59-29=61. 30-8+23=12 . 92-(37+12)=37 .58-66+13=62. 94-(31+50)=13 . 27-(24+2)=38 .3-3+31=63 .32-2+4=14 . 21-(19+1)=39 .37-(10-5)=64. 73-20+17=15 . 10-(9-4)=40 .4+75-74=65. 30-1+3=16 . 43-(3

33、3+5)=41 .28-26+71=66. 82-(71+5)=17 . 56+33-56=42 .89+1-3=67. 84+14-87=18 . 88-(79+6)=43 .90-(37-16)=68 .21-74+62=19 . 44-73+48=44 .34-14+64=69 .96-(32+27)=20 . 29+40-40=45 .10-(8-6)=70 . 21+57-6=21 . 36-32+20=46 .38-(5-2)=71 . 23+57-23=22 . 65+17-78=47 .10-(2-1)=72 .44-(17+25)=23 . 42-53+31=48 .79+1

34、4-55=73 .94-(68+24)=24 . 55-(20-14)=49 .55-(32-11)=74 .22+24-14=25 . 19+43-11=50 .4-(2-1)=75. 61+38-91=练习题一答案44 27 .4352 . 443 .1928 .253 .04 .529 .2754 .135 .4830 .2255 .46 .431 .5156 .67 .1432 .3757 .188 .1733 .958 .709 .1034 .2559 .7810 .2635 .3560 .011 .3636 .5561 .5612 .4337 .2362 .5113 .6238 .

35、6063 .914 .2939 .564 .6115 .740 .4265 .1216 .141 .766 .1617 .4042 .1167 .2418 .443 .6168 .7619 .044 .5069 .4420 .4645 .3070 .8221 .2046 .1471 .4922 .7447 .5072 .5223 .4148 .6673 .824 .2949 .3774 .225 .3650 .9475 .52练习题二答案1 .526 .3351 .502 .5527 .1452 .563 .5428 .6653 .84 .029 .7654 .85 .1730 .1955 .

36、16 .4131 .1556 .07 .732 .3257 .288 .3033 .3958 .119 .1634 .1959 .510 .3135 .2860 .7411 .2236 .1461 .1712 .2537 .1062 .1513 .3238 .2663 .4314 .7039 .1664 .7315 .240 .3865 .716 .1141 .4966 .1217 .742 .5667 .918 .1043 .1268 .1319 .244 .2069 .7020 .4545 .7270 .6721 .946 .4171 .622 .6147 .2572 .7423 .548

37、 .2573 .124 .849 .3174 .2325 .5950 .075 .4练习题三答案1 .1626 .3651 .332 .5527 .4652 .323 .6828 .2653 .804 .6129 .1054 .765 .5230 .255 .86 .1131 .3256 .167 .1632 .6857 .158 .6533 .6158 .199 .6934 .9259 .3010 .5935 .2660 .5811 .2636 .7261 .7912 .4337 .5162 .1213 .5238 .663 .814 .2139 .1164 .4315 .940 .2165

38、 .316 .3041 .3766 .817 .6942 .067 .5918 .1243 .4668 .019 .2844 .4769 .1920 .2245 .4270 .1621 .1046 .871 .2122 .247 .8172 .5423 .848 .8173 .724 .5549 .3074 .825 .050 .1475 .2练习题四答案1 .826 .3551 .62 .7127 .4552 .253 .628 .9153 .314 .1329 .154 .75 .1730 .155 .46 .7331 .1356 .327 .332 .357 .68 .1633 .345

39、8 .439 .5534 .7259 .310 .335 .660 .2111 .3636 .161 .2012 .5037 .1062 .1613 .5438 .7663 .1014 .7339 .9464 .3515 .5840 .6365 .3616 .141 .9466 .3417 .1542 .2567 .1018 .1843 .7768 .2919 .744 .5869 .5920 .945 .170 .7121 .4546 .171 .022 .2647 .2372 .2323 .8148 .1673 .524 .4549 .2474 .3125 .950 .775 .7练习题五

40、答案1 .826 .3551 .62 .7127 .4552 .253 .628 .9153 .314 .1329 .154 .75 .1730 .155 .46 .7331 .1356 .327 .332 .357 .68 .1633 .3458 .439 .5534 .7259 .310 .335 .660 .2111 .3636 .161 .2012 .5037 .1062 .1613 .5438 .7663 .1014 .7339 .9464 .3515 .5840 .6365 .3616 .141 .9466 .3417 .1542 .2567 .1018 .1843 .7768 .

41、2919 .744 .5869 .5920 .945 .170 .7121 .4546 .171 .022 .2647 .2372 .2323 .8148 .1673 .524 .4549 .2474 .3125 .950 .775 .7练习题六答案1 .326 .3751 .142 .2227 .4252 .73 .3328 .4953 .14 .429 .8954 .165 .2830 .7955 .106 .8131 .6456 .887 .1132 .857 .468 .7233 .4158 .489 .5534 .1359 .9010 .8135 .6260 .9111 .136 .2061 .6312 .5237 .5762 .4013 .2438 .3163 .7014 .4639 .1864 .4915 .4640 .2065 .8616 .4641 .866 .917 .042 .2267 .6418 .443 .1068 .1219 .5144 .2969 .120 .4645 .4570 .6321 .6646 .2671 .5122 .1247 .5072 .223 .1348 .1273 .124 .1749 .3374 .2925 .2450 .875 .20练习题七1 .5126 .6151 .272 .127 .1952 .153