求30道拖脱式计算题(带答案)~好的话再加分
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求30道拖脱式计算题(带答案)~好的话再加分
求30道拖脱式计算题(带答案)~
好的话再加分
求30道拖脱式计算题(带答案)~好的话再加分
题目如下,不过只有15道题是有答案的.
希望你不是小学生,所以只给一半的答案,嘿嘿
1. 3/7 × 49/9 - 4/3=7/3-4/3=3/3=1
2. 8/9 × 15/36 + 1/27=10/27+1/27=11/27
3. 12× 5/6 – 2/9 ×3=10-2/3=30/3-2/3=28/3
4. 8× 5/4 + 1/4=10+1/4=40/4+1/4=41/4
5. 6÷ 3/8 – 3/8 ÷6=6*8/3-3/8*1/6=16-1/16=155/16
6. 4/7 × 5/9 + 3/7 × 5/9=1/7*(4*5/9+3)=1/7*47/9=47/63
7. 5/2 -( 3/2 + 4/5 )=5/2-3/2-4/5=1-4/5=5/5-4/5=1/5
8. 7/8 + ( 1/8 + 1/9 )=7/8+1/8+1/9=1+1/9=10/9
9. 9 × 5/6 + 5/6=(9+1)*5/6=50/6
10. 3/4 × 8/9 - 1/3=(3/4*8/3-1)*1/3=1*1/3=1/3
11. 7 × 5/49 + 3/14=(7*5/7+3/2)*1/7=13/14
12. 6 ×( 1/2 + 2/3 )=3+4=7
13. 8 × 4/5 + 8 × 11/5=8*(4/5+11/5)=8*3=24
14. 31 × 5/6 – 5/6=(31-1)*5/6=25
15. 9/7 - ( 2/7 – 10/21 )=9/7-2/7+10/21=1+10/21=31/21
16. 5/9 × 18 – 14 × 2/7
17. 4/5 × 25/16 + 2/3 × 3/4
18. 14 × 8/7 – 5/6 × 12/15
19. 17/32 – 3/4 × 9/24
20. 3 × 2/9 + 1/3
21. 5/7 × 3/25 + 3/7
22. 3/14 ×× 2/3 + 1/6
23. 1/5 × 2/3 + 5/6
24. 9/22 + 1/11 ÷ 1/2
25. 5/3 × 11/5 + 4/3
26. 45 × 2/3 + 1/3 × 15
27. 7/19 + 12/19 × 5/6
28. 1/4 + 3/4 ÷ 2/3
29. 8/7 × 21/16 + 1/2
30. 101 × 1/5 – 1/5 × 21
80道带答案
1.45+15×6= 135
2.250÷5×8=400
3.6×5÷2×4=60
4.30×3+8=98
5.400÷4+20×5= 200
6.10+12÷3+20=34
7.(80÷20+80)÷4=21
8.70+(100-10×5)=120
9.360÷40+10= 19
10...
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80道带答案
1.45+15×6= 135
2.250÷5×8=400
3.6×5÷2×4=60
4.30×3+8=98
5.400÷4+20×5= 200
6.10+12÷3+20=34
7.(80÷20+80)÷4=21
8.70+(100-10×5)=120
9.360÷40+10= 19
10.40×20-200= 600
11.(80-25)*2= 110
12.70+45=115
13.90×2÷3= 60
14.16×6÷3= 32
15.300×6÷9= 200
16.540÷9×7=420
17.30×20÷15= 20
18.400÷4×7= 700
19.(350-80)÷9= 30
20.160+70+50=280
21.18-64÷8= 10
22.42÷6+20=27
23.40-5×7= 5
24.80+60÷3=100
25.41+18÷2= 50
26.75-11×5= 20
27.42+7-29= 20
28.5600÷80=70
29.25×16÷4= 100
30.120×25÷5= 600
31.36×11÷3= 132
32.1025÷25×8=328
33.336+70-6= 400
34.25×9×4= 900
35.200-33×3= 101
36.3020-1010=2010
37.12×50+10= 610
38.25×8+199= 399
39.23×11-13= 240
40.125÷25-5=0
41.4200-2200+200=2200
42.220+80-150=150
43.20×8×5= 800
44.600-3×200=0
45.20+20÷2= 30
46.35-25÷5= 30
47.36+8-40= 4
1)25%*132+1/4*8 2)32*0.125*25
=1/4*132+1/4*8 =(4+8)*0.125*25
=1/4*(132+8) =(4*25)*(8*0.125)
=1/4*140 =100*1
=35 =1000
3)75%*76+25*4+0.75*12
=3/4*76+3/4*12+25*4
=3/4*88+100
=166
4)3200*1/8÷2/5+1270 5)(2/3+4/5)*7/6
=400*5/2+1270 =22/15*7/6
=1000+1270 =77/45
=2270
5)6*(1/2+2/3) 6)132*(44÷176)
=6*1/2+6*2/3 =132*1/4 =33
=3+4
=7
7)72.25%*99+75.25%
=75.25%*99+75.25%*1
=75.25%*(99+1)
=75.25%*100
=75.25
①2700×(506-499)÷900 ②33.02-(148.4-90.85)÷2.5
=2700×7÷900 =33.02-57.55÷2.5
=18900÷900 =33.02-23.02
=21 =10
③(1÷1-1)÷5.1 ④18.1+(3-0.299÷0.23)×1
=(1-1)÷5.1 =18.1+1.7X1
=0÷5.1 =18.1+1.7
=0 =19.8
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