3个回答
2009-08-31
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1.0.7+0.9= 2.1.2+0.5= 3.3.2+0.4= 4.0.8-0.3= 5.1.7-0.4=
6.4.5-0.3= 7.0.5+0.6= 8.8.2+0.8= 9.5.7+0.9= 10.0.25+0.75=
11.1-0.6= 12.10-8.2= 13.0.53+0.47= 14.1+9.9= 15.8.3-0.9=
16.6.45+0.51= 17.7-0.05= 18.1.67+2.3= 19.19.8-4.63= 20.12.51+6.69=
21.11-8.39= 22.51.9-27.62= 23.3.86-2.125= 24.0.5+0.07=
25.15.7-5= 26.8+8.2= 27.0.54+0.46= 28.1-0.73= 29.10-0.05=
30.6.8-0.75= 31.8+0.2= 32.4.8+3.9= 33.13.52-6.87= 34.79.2-34.2=
35.29-18.14= 36.5.5+4.5= 37.0.875+0.125= 38.9-0.95= 39.6.89+4.2=
40.12-1.2= 41.3.7+6.03= 42.8.25-0.5= 43.2.45+0.55= 44.3-0.3=
45.3.6+0.7= 45.7.48-0.28= 46.0.7-0.07= 47.7.48+0.28= 48.11-1.1=
49.8.4-0.8= 50.4.03+4.4=
计算题:
17.86-(2.54+13.66)=
20-(9.5-7.69)=
3.62+5.8-2.069=
4-3.975+1.47=
能简便的用简便方法计算:
3.75+0.694+16.25+0.306=
26.83+9.96+11.87=
(32.53+18.68)+21.32=
6.472-2.875-3.125=
9.64+10.75+3.36+9.25=
17.68-(4.89+2.96)-3.04=
应用题:
1.一箱苹果重12.5千克,一箱梨比一箱苹果重4.8千克,两种水果共重多少千克?
2.小红买了三本书,价格分别为3.55元,2.98元,1.8元,他付了十元,找回多少钱?
3.学校买40套课桌椅,共付6600元。已知每张桌子比每把椅子贵105元。每张桌子和每把椅子价钱各是多少?
4.小明今年11岁,妈妈35岁,几年前妈妈的年龄是小明的5倍?
5.小明去爬山,上山用了45分钟,下山用了30分钟,上山每分钟比下山少走五米,求下山速度。
6.有两根同样长短的木料,如果第一根锯掉2米,那么第二根的长度就是第一根剩下的1.8倍。原来两个木料长多少米?
7.水果店有一批香蕉,卖掉140千克后,原来香蕉的克数正好是剩下香蕉的五倍。这批香蕉共有多少千克?
8. 小红去商店买练习本,他所带的钱买四本还多1.6元,买六本就少0,10元。
每本练习本多少钱?小红带了多少钱?
9.学生去种树,如果每组按一定人数平均分成12组就多11人,分成14组就少9人,求每组的人数,和参加的总人数.
10.小明借了一本书,如果每天看40页,可以比借期早2天看完,如果每天看三十页,就要比借期晚1天看完;借期是几天?全书有几页?
6.4.5-0.3= 7.0.5+0.6= 8.8.2+0.8= 9.5.7+0.9= 10.0.25+0.75=
11.1-0.6= 12.10-8.2= 13.0.53+0.47= 14.1+9.9= 15.8.3-0.9=
16.6.45+0.51= 17.7-0.05= 18.1.67+2.3= 19.19.8-4.63= 20.12.51+6.69=
21.11-8.39= 22.51.9-27.62= 23.3.86-2.125= 24.0.5+0.07=
25.15.7-5= 26.8+8.2= 27.0.54+0.46= 28.1-0.73= 29.10-0.05=
30.6.8-0.75= 31.8+0.2= 32.4.8+3.9= 33.13.52-6.87= 34.79.2-34.2=
35.29-18.14= 36.5.5+4.5= 37.0.875+0.125= 38.9-0.95= 39.6.89+4.2=
40.12-1.2= 41.3.7+6.03= 42.8.25-0.5= 43.2.45+0.55= 44.3-0.3=
45.3.6+0.7= 45.7.48-0.28= 46.0.7-0.07= 47.7.48+0.28= 48.11-1.1=
49.8.4-0.8= 50.4.03+4.4=
计算题:
17.86-(2.54+13.66)=
20-(9.5-7.69)=
3.62+5.8-2.069=
4-3.975+1.47=
能简便的用简便方法计算:
3.75+0.694+16.25+0.306=
26.83+9.96+11.87=
(32.53+18.68)+21.32=
6.472-2.875-3.125=
9.64+10.75+3.36+9.25=
17.68-(4.89+2.96)-3.04=
应用题:
1.一箱苹果重12.5千克,一箱梨比一箱苹果重4.8千克,两种水果共重多少千克?
2.小红买了三本书,价格分别为3.55元,2.98元,1.8元,他付了十元,找回多少钱?
3.学校买40套课桌椅,共付6600元。已知每张桌子比每把椅子贵105元。每张桌子和每把椅子价钱各是多少?
4.小明今年11岁,妈妈35岁,几年前妈妈的年龄是小明的5倍?
5.小明去爬山,上山用了45分钟,下山用了30分钟,上山每分钟比下山少走五米,求下山速度。
6.有两根同样长短的木料,如果第一根锯掉2米,那么第二根的长度就是第一根剩下的1.8倍。原来两个木料长多少米?
7.水果店有一批香蕉,卖掉140千克后,原来香蕉的克数正好是剩下香蕉的五倍。这批香蕉共有多少千克?
8. 小红去商店买练习本,他所带的钱买四本还多1.6元,买六本就少0,10元。
每本练习本多少钱?小红带了多少钱?
9.学生去种树,如果每组按一定人数平均分成12组就多11人,分成14组就少9人,求每组的人数,和参加的总人数.
10.小明借了一本书,如果每天看40页,可以比借期早2天看完,如果每天看三十页,就要比借期晚1天看完;借期是几天?全书有几页?
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17/32 – 3/4 × 9/24
3 × 2/9 + 1/3
5/7 × 3/25 + 3/7
3/14 ×× 2/3 + 1/6
1/5 × 2/3 + 5/6
9/22 + 1/11 ÷ 1/2
5/3 × 11/5 + 4/3
45 × 2/3 + 1/3 × 15
7/19 + 12/19 × 5/6
1/4 + 3/4 ÷ 2/3
8/7 × 21/16 + 1/2
101 × 1/5 – 1/5 × 21
3/7 × 49/9 - 4/3
8/9 × 15/36 + 1/27
12× 5/6 – 2/9 ×3
8× 5/4 + 1/4
6÷ 3/8 – 3/8 ÷6
4/7 × 5/9 + 3/7 × 5/9
5/2 -( 3/2 + 4/5 )
7/8 + ( 1/8 + 1/9 )
9 × 5/6 + 5/6
3/4 × 8/9 - 1/3
7 × 5/49 + 3/14
6 ×( 1/2 + 2/3 )
8 × 4/5 + 8 × 11/5
31 × 5/6 – 5/6
9/7 - ( 2/7 – 10/21 )
5/9 × 18 – 14 × 2/7
4/5 × 25/16 + 2/3 × 3/4
14 × 8/7 – 5/6 × 12/15
17/32 – 3/4 × 9/24
3 × 2/9 + 1/3
5/7 × 3/25 + 3/7
3/14 ×× 2/3 + 1/6
1/5 × 2/3 + 5/6
9/22 + 1/11 ÷ 1/2
5/3 × 11/5 + 4/3
45 × 2/3 + 1/3 × 15
7/19 + 12/19 × 5/6
1/4 + 3/4 ÷ 2/3
8/7 × 21/16 + 1/2
101 × 1/5 – 1/5 × 2
(1.2×5+7)+1/4×3/8
4.75+3/5)×3.2÷5×(55.5+0.5)
{7×8.5+(3.5+1/4×10)}÷5
(30×1/6+20)÷5-1.372
(3/5×10-3.72)×7-(0.785+1.748)
0.582×0.254÷1/6+4.523-0.215
7.21×0.4+5.24-0.42
5.246×2.145×120-0.283
5.632-{(4.2×2+2.6)-1}÷5
8.9×52.3×16.2+(5.641-4.879)
14.8×6.3-6.3×6.5+8.3×3.7
3.2×42.3×3.75-12.5×0.423×16
2700×(506-499)÷900
178-145÷5×6+42 420+580-64×21÷28
812-700÷(9+31×11)
85+14×(14+208÷26)
120-36×4÷18+35
(3.2×1.5+2.5)÷1.6
1. 3/7 × 49/9 - 4/3
2. 8/9 × 15/36 + 1/27 2
3. 12× 5/6 – 2/9 ×3
4. 8× 5/4 + 1/4
5. 6÷ 3/8 – 3/8 ÷6
6. 4/7 × 5/9 + 3/7 × 5/9 )
7. 5/2 -( 3/2 + 4/5 )
8. 7/8 + ( 1/8 + 1/9 )
9. 9 × 5/6 + 5/6
10. 3/4 × 8/9 - 1/3
11. 7 × 5/49 + 3/14
12. 6 ×( 1/2 + 2/3 )
13. 8 × 4/5 + 8 × 11/5
14. 31 × 5/6 – 5/6
15. 9/7 - ( 2/7 – 10/21 )
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
31.50+160÷40 (58+370)÷(64-45)
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42 420+580-64×21÷28
37.812-700÷(9+31×11) (136+64)×(65-345÷23)
38.85+14×(14+208÷26)
39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35
41.(58+37)÷(64-9×5)
42.(6.8-6.8×0.55)÷8.5
43.0.12× 4.8÷0.12×4.8
44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6
45.6-1.6÷4= 5.38+7.85-5.37
46.7.2÷0.8-1.2×5= 6-1.19×3-0.43
47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×(3.87-0.13)+4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
51.[(7.1-5.6)×0.9-1.15] ÷2.5
52.5.4÷[2.6×(3.7-2.9)+0.62]
53.12×6÷(12-7.2)-6 (4)12×6÷7.2-6
1.[(5.84-3.9)/0.4+0.15]*0.92
2.4.38/(36.94+34.3*0.2)
3.(284+16)*(512-8208/18)
4.5.4/[2.6*(3.7-2.9)+0.62]
5.[(7.1-5.6)*0.9-1.15]/2.5
6.32.52-(6+9.728/3.2)*2.5
7.5.8*(3.87-0.13)+4.2*3.7
8.8/9*[15/16*(7/16-1/4)/1/2]
9.[5 1/2-1.04*(1 2/3+5/6)]/2.9
10.6 3/7 /3/7-[(7-0.5)*1/4]
11.(0.75+0.2)/0.25*25%+12/0.75+7.2/2.4
12.1.21*42-(4.46+0.14)*1375+450/18*25
13.1+0.45/0.9-0.75-168.1/(4.3*2-0.4) 1 \6
14.605*8+3.5-44+10.9-(6.6+0.125/12.5%)
15.56*(56-65)*[0.325-62/30+(56/8)-65 ]
16.4/7*5/9 + 3/7*5/9-3/4 × 8/9 - 1/3
17.50+160/40 *(58+370)/(64-45)
18.347+45×2-4160÷52
19.6-1.6÷4+ 5.38+7.85-5.37
20.5.4÷[2.6×(3.7-2.9)+0.62
3 × 2/9 + 1/3
5/7 × 3/25 + 3/7
3/14 ×× 2/3 + 1/6
1/5 × 2/3 + 5/6
9/22 + 1/11 ÷ 1/2
5/3 × 11/5 + 4/3
45 × 2/3 + 1/3 × 15
7/19 + 12/19 × 5/6
1/4 + 3/4 ÷ 2/3
8/7 × 21/16 + 1/2
101 × 1/5 – 1/5 × 21
3/7 × 49/9 - 4/3
8/9 × 15/36 + 1/27
12× 5/6 – 2/9 ×3
8× 5/4 + 1/4
6÷ 3/8 – 3/8 ÷6
4/7 × 5/9 + 3/7 × 5/9
5/2 -( 3/2 + 4/5 )
7/8 + ( 1/8 + 1/9 )
9 × 5/6 + 5/6
3/4 × 8/9 - 1/3
7 × 5/49 + 3/14
6 ×( 1/2 + 2/3 )
8 × 4/5 + 8 × 11/5
31 × 5/6 – 5/6
9/7 - ( 2/7 – 10/21 )
5/9 × 18 – 14 × 2/7
4/5 × 25/16 + 2/3 × 3/4
14 × 8/7 – 5/6 × 12/15
17/32 – 3/4 × 9/24
3 × 2/9 + 1/3
5/7 × 3/25 + 3/7
3/14 ×× 2/3 + 1/6
1/5 × 2/3 + 5/6
9/22 + 1/11 ÷ 1/2
5/3 × 11/5 + 4/3
45 × 2/3 + 1/3 × 15
7/19 + 12/19 × 5/6
1/4 + 3/4 ÷ 2/3
8/7 × 21/16 + 1/2
101 × 1/5 – 1/5 × 2
(1.2×5+7)+1/4×3/8
4.75+3/5)×3.2÷5×(55.5+0.5)
{7×8.5+(3.5+1/4×10)}÷5
(30×1/6+20)÷5-1.372
(3/5×10-3.72)×7-(0.785+1.748)
0.582×0.254÷1/6+4.523-0.215
7.21×0.4+5.24-0.42
5.246×2.145×120-0.283
5.632-{(4.2×2+2.6)-1}÷5
8.9×52.3×16.2+(5.641-4.879)
14.8×6.3-6.3×6.5+8.3×3.7
3.2×42.3×3.75-12.5×0.423×16
2700×(506-499)÷900
178-145÷5×6+42 420+580-64×21÷28
812-700÷(9+31×11)
85+14×(14+208÷26)
120-36×4÷18+35
(3.2×1.5+2.5)÷1.6
1. 3/7 × 49/9 - 4/3
2. 8/9 × 15/36 + 1/27 2
3. 12× 5/6 – 2/9 ×3
4. 8× 5/4 + 1/4
5. 6÷ 3/8 – 3/8 ÷6
6. 4/7 × 5/9 + 3/7 × 5/9 )
7. 5/2 -( 3/2 + 4/5 )
8. 7/8 + ( 1/8 + 1/9 )
9. 9 × 5/6 + 5/6
10. 3/4 × 8/9 - 1/3
11. 7 × 5/49 + 3/14
12. 6 ×( 1/2 + 2/3 )
13. 8 × 4/5 + 8 × 11/5
14. 31 × 5/6 – 5/6
15. 9/7 - ( 2/7 – 10/21 )
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
31.50+160÷40 (58+370)÷(64-45)
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42 420+580-64×21÷28
37.812-700÷(9+31×11) (136+64)×(65-345÷23)
38.85+14×(14+208÷26)
39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35
41.(58+37)÷(64-9×5)
42.(6.8-6.8×0.55)÷8.5
43.0.12× 4.8÷0.12×4.8
44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6
45.6-1.6÷4= 5.38+7.85-5.37
46.7.2÷0.8-1.2×5= 6-1.19×3-0.43
47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×(3.87-0.13)+4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
51.[(7.1-5.6)×0.9-1.15] ÷2.5
52.5.4÷[2.6×(3.7-2.9)+0.62]
53.12×6÷(12-7.2)-6 (4)12×6÷7.2-6
1.[(5.84-3.9)/0.4+0.15]*0.92
2.4.38/(36.94+34.3*0.2)
3.(284+16)*(512-8208/18)
4.5.4/[2.6*(3.7-2.9)+0.62]
5.[(7.1-5.6)*0.9-1.15]/2.5
6.32.52-(6+9.728/3.2)*2.5
7.5.8*(3.87-0.13)+4.2*3.7
8.8/9*[15/16*(7/16-1/4)/1/2]
9.[5 1/2-1.04*(1 2/3+5/6)]/2.9
10.6 3/7 /3/7-[(7-0.5)*1/4]
11.(0.75+0.2)/0.25*25%+12/0.75+7.2/2.4
12.1.21*42-(4.46+0.14)*1375+450/18*25
13.1+0.45/0.9-0.75-168.1/(4.3*2-0.4) 1 \6
14.605*8+3.5-44+10.9-(6.6+0.125/12.5%)
15.56*(56-65)*[0.325-62/30+(56/8)-65 ]
16.4/7*5/9 + 3/7*5/9-3/4 × 8/9 - 1/3
17.50+160/40 *(58+370)/(64-45)
18.347+45×2-4160÷52
19.6-1.6÷4+ 5.38+7.85-5.37
20.5.4÷[2.6×(3.7-2.9)+0.62
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