六年级分数脱式计算题,加答案(20到就可以了,简单点)

如题所述

第1个回答  2012-09-02
(a+b)+ c = a +(b+c)
1. 2.73 + 0.89 + 1.27 2. 4.37 + 0.28 + 1.63 + 5.72

a-b-c = a -(b+c)
1. 10 - 0.432 - 2.568 2. 9.3 - 5.26 - 2.74

3. 13.4-(3.4+5.2) 4. 14.9-(5.2+4.9)

5. 18.32 - 5.47 - 4.32 6. 17.29 - 5.28 - 6.29
(a × b)×c = a ×(b × c)
1. 25 × 6.8 × 0.04 2. 0.25 × 32 × 0.125

3. 6.4 × 1.25 × 12.5
c ×(a+b)= ca + cb
1. 0.45 × 201 2. 0.58 × 10.1 3. 50.2 × 99

4. 4.7 × 9.9 5. 3.28 × 5.7 + 6.72 × 5.7

6. 2.1 × 99 + 2.1 7. 1.7 × 9.9 + 0.17

8. 23 × 0.1 + 2.3 × 9.9

1. 0.18 +4.26 -0.18 +4.26 ☆ 2. 0.58 ×1.3 ÷ 0.58 ×1.3 ☆

3. 7.3 ÷4 + 2.7 × 0.25 ☆ 4. 3.75 × 0.5 - 2.75 ÷ 2 ☆

5. 5.26 × 0.125 + 2.74 ÷ 8 ☆

a ÷ b ÷ c = a ÷ (b × c)
1. 6.3 ÷ 1.8 2. 4.2 ÷ 3.5 3. 9.5 ÷(1.9 × 8)

4. 12.8 ÷ (0.4 × 1.6) 5. 930 ÷ 0.6 ÷5

6. 63.4 ÷ 2.5 ÷ 0.4 7. (7.7 + 1.54)÷ 0.7 ☆

8. (11.7 + 9.9)÷ 0.9 ☆

竖式计算:
100 - 0.99 10.99 + 9.87 4.089 ÷ 0.047   0.24 × 390

6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89)

4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48)

3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2

3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47

5.27+2.86-0.66+1.63 13.35-4.68+2.65 73.8-1.64-13.8-5.36

47.8-7.45+8.8 0.398+0.36+3.64 15.75+3.59-0.59+14.25

66.86-8.66-1.34 0.25×16.2×4 (1.25-0.125)×8

3.6×102 3.72×3.5+6.28×3.5 36.8-3.9-6.1

15.6×13.1-15.6-15.6×2.1 4.8×7.8+78×0.52 32+4.9-0.9

4.8×100.1 56.5×9.9+56.5 7.09×10.8-0.8×7.09

25.48-(9.4-0.52) 4.2÷3.5 320÷1.25÷8

18.76×9.9+18.76 3.52÷2.5÷0.4 3.9-4.1+6.1-5.9

5.6÷3.5 9.6÷0.8÷0.4 4.2×99+4.2

17.8÷(1.78×4) 0.49÷1.4 1.25×2.5×32 3.65×10.1

15.2÷0.25÷4 0.89×100.1 146.5-(23+46.5)

3.83×4.56+3.83×5.44 4.36×12.5×8 9.7×99+9.7

27.5×3.7-7.5×3.7 8.54÷2.5÷0.4 0.65×101 3.2×0.25×12.5

(45.9-32.7)÷8÷0.125 3.14×0.68+31.4×0.032 5.6÷1.25÷0.8÷2.5÷0.4

7.2×0.2+2.4×1.4 8.9×1.01 7.74×(2.8-1.3)+1.5×2.26

3.9×2.7+3.9×7.3 18-1.8÷0.125÷0.8 12.7×9.9+1.27

21×(9.3-3.7)-5.6 15.02-6.8-1.02 5.4×11-5.4

2.3×16+2.3×23+2.3 9.43-(6.28-1.57) 3.65×4.7-36.5×0.37

46×57+23×86 13.7×0.25-3.7÷4 2.22×9.9+6.66×6.7

101×0.87-0.91×87 10.7×16.1-15.1×10.7 0.79×199

4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24

2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.98

0.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5+4.9-6.5

3.07-0.38-1.62 1.29+3.7+2.71+6.3 8-2.45-1.55

3.25+1.79-0.59+1.75 23.4-0.8-13.4-7.2 0.32×403

3.2+0.36+4.8+1.64 1.23+3.4-0.23+6.6 0.25×36

12.7-(3.7+0.84) 36.54-1.76-4.54 0.25×0.73×4

7.6×0.8+0.2×7.6 0.85×199 0.25×8.5×4

1.28×8.6+0.72×8.6 12.5×0.96×0.8 10.4-9.6×0.35

0.8×(4.3×1.25) 3.12+3.12×99 28.6×101-28.6

0.86×15.7-0.86×14.7 2.4×102 2.31×1.2×0.5

14-7.32-2.68 2.64+8.67+7.36+11.33 70÷28

(2.5-0.25)×0.4 9.16×1.5-0.5×9.16 3.6-3.6×0.5

63.4÷2.5÷0.4 4.9÷1.4 3.9÷(1.3×5)

(7.7+1.54)÷0.7 2.5×2.4 2.7÷45 15÷(0.15×0.4)

0.35×1.25×2×0.8 32.4×0.9+0.1×32.4 15÷0.25

. 3/7 × 49/9 - 4/3
5. 8/9 × 15/36 + 1/27
6. 12× 5/6 – 2/9 ×3
7. 8× 5/4 + 1/4
8. 6÷ 3/8 – 3/8 ÷6
9. 4/7 × 5/9 + 3/7 × 5/9
10. 5/2 -( 3/2 + 4/5 )
11. 7/8 + ( 1/8 + 1/9 )
12. 9 × 5/6 + 5/6
13. 3/4 × 8/9 - 1/3
14. 7 × 5/49 + 3/14
15. 6 ×( 1/2 + 2/3 )
16. 8 × 4/5 + 8 × 11/5
17. 31 × 5/6 – 5/6
18. 9/7 - ( 2/7 – 10/21 )
19. 5/9 × 18 – 14 × 2/7
20. 4/5 × 25/16 + 2/3 × 3/4
21. 14 × 8/7 – 5/6 × 12/15
22. 17/32 – 3/4 × 9/24
23. 3 × 2/9 + 1/3
24. 5/7 × 3/25 + 3/7
25. 3/14 ×× 2/3 + 1/6
26. 1/5 × 2/3 + 5/6 (26-14)×8 50×(2-80) (10×12)-63 (27-23)×12

(38-16)×24 (24+38)×6 (87-42)×15 (84-15×3)

16×(49-28) 45×(84-48] ) (58+37)×6 (64-9)×5

95×(64-45) (19-14)×9 5×(6+42) (81-70)×6

(9+31)×11 (85+14)×7 (14+20)×26 (28+16)×8

(52-82)×18 (12-36)×41 (58+37)×8 (64-9)×5

(68-68)×55 12×(4+12) 32×(15+25) (6-1)×65

65×(48-12×4) 58×(87-13) 42×(74+6) (6+9)×2.5

(71-56)×92 6×(37-29) 12×(6+8) (12-7)×6

12×(6+7 ) 68×(19+32) (58+37)×2 (64-45)×4

(88-64)×21 (16+64)×65 10×(4-5 ) 38×(50-10)

(18+22)×8 (37+21)×38 (50-24)×9 (18+25)+2

(37+44)×11 (42+22 ) ×8 (28+22) ×35 (37+10) ×96

(21+78) ×10 6-(25+75) (22+68) ×28 (90-73)×10

(23-18)×3 (23-10)×2 (49-29) ×3 (23+95)×5

(3+98)×5 (18-3)×6 12×(25+66) 75×(24+66)

13×(25+4) (13×12)×3 (12+24)×5 (70×25 )×32

32×(25+12) 88×(12+44) 10×(76+9) 58×(98+2)

17×(10-17) (84+36) ×64 75×(9+2) 83×(10+55)

98×(19+8) 12×(18+12) 12×(3+85) 50×(34×4)

25×(24+16) 55×(99-9) (7+9)×57 73×(25+4)

(13+12)×14 (13+49) ×55 (19+46) ×88 (55+99) ×5

(13+13) ×22 (15+13) ×55 (19+11) ×22 22×(15+16)

(44+66) ×5 (54+6)×3 (13+15) ×5 15×(46+55)

(13+22) ×55 12×(5+66) 22×4+221 21×3+410

40÷2+174 147+72÷8 9×4+420 2×80÷4

120×5÷2 202+36÷9 30÷5+240 81÷9+877

66×5+774 921+7×4 80×6×2 770÷7+65

807+20÷2 100-50÷5 35-35÷7 302+30×2

600×8÷3 40+100÷5 434+25×5 (55+6)×5

60-12×3 64÷8+456 640+60×4 5×7-48÷6

42÷7+36÷6 37×4+19×810×4-20÷4 15÷3+10÷5

25÷5+42 ( 5+8)×7 72÷9-36÷6 21×4-54÷9

72÷8+9×5 36÷4+21×2 25÷5-16÷4 56÷7+36÷6

500×(400-396) 72÷9-5564+264-453 7650-(546+4530)

65×9-4509×80+980 9000-(4500+250) 6700+72÷8

14×6+9×5 900÷(71-68) 80÷9-42÷6 12÷6+45×3

8×(910-720) 760-540+11 65+1250-3500 80×30+5600

9450-3200-4200 2400÷6-45 800× 7-180 1600÷2+230

4000 ÷ 8 + 350 320÷8+64 270 ÷ 3 ×96 30 ÷ 9 + 320

2800+32× 6 300÷6×9 (6900-2400)÷ 5 (72÷9)÷(56÷8)

54 ÷ 9 ×82 80× 4 ÷5 60×8+1570 60×(23-17)

960÷4×9 350÷5×9 450÷5+1250 (6900-2400)÷5

75÷15+20×5 3090+6×6 (387-387)+0 160-160÷80

750+550÷5 (111+189)×3 125×8÷100 6×250×0

(1+7)×(16-6) 810×4÷4 33÷11+4×91 87+299-299

587+496-674 2660+26÷26 153÷153+657 32÷(32÷16)

300-(300-222) 75÷15+20×5 75×(25-20) 3390-10×95

687+(99-67) 1022×4+221 21×3+410 40÷2+174

(1000-988) 3560+20×90 (250-150)÷30 687+999÷3

(4870-3675)+7200÷9 (94+56) ×3 (350÷70) ×5 22×4+221

21×3+410 40÷2+174 147+72÷8 9×4+420

2×80÷4 120×5÷2 202+36÷9 30÷5+240

81÷9+877 66×5+774 921+7×3 80×6×2

770÷7+65 807+20÷2 100-50÷5 35-35÷7

302+30×2 600×8÷3 40+100÷5 434+25×5

60-12×3 64÷8+456 640+60×4 5×7-48÷6

42÷7+36÷6 37×4+19×810×4-20÷4 15÷3+10÷5

25÷5+42÷6 35÷5+8×7 72÷9-36÷6 21×4-54÷9

72÷8+9×5 36÷4+21×2 25÷5-16÷4 56÷7+36÷6

500×(400-396) 72÷9-55 64+264-453 7650-(546+4530)

65×9-450 9×80+980 9000-(4500+250) 6700+72÷8

14×6+9×5 900÷(71-68) 180÷9-42÷6 12÷6+45×3

8×(910-720) 760-540+1110 6500+1250-3500 80×30+5600

9450-3200-4200 2400÷6-45 800× 7-180 1600÷2+230

4000 ÷ 8 + 350 320÷8+64 270 ÷ 3 ×96 30 ÷ 9 + 320

2800+32× 6 300÷6×9 (6900-2400)÷ 5 (72÷9)÷(56÷8)

54 ÷ 9 ×82 80× 4 ÷5 60×8+1570 60×(23-17)

960÷4×9 350÷5×9 450÷5+1250 (6900-2400)÷5

75÷15+20×5 3090+6×6 (5+9)×66 (6+4)×5

750+550÷5 (111+189)×3 125×8÷100 6×250×0

(1+7)×(16-6) 810×4÷4 33÷11+4×91 87+299-299

587+496-674 2660+26÷26 5÷1+657 32÷(32÷16)

300-(300-222) 75÷15+20×5 (150-75)×5 (25-20)×2

3390-10×95 687+(99-67) 100+(100-98) 3560+20×90

2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

11/14-3/14+1/8
=4.05-(2.8+0.7)
=0.55

4.05-2.8-0.7
=4.05-(2.8+0.7)
=0.55

212+198
=(200+12)+(100+98)
=200+12+100+98
=12+98+100+200
=110+100+200
=410

13.75-(3.75+6.48)
=13.75-3.75-6.48
=10-6.48
=3.52

(0.75*42.7+57.3-0.573*25)/3*7972
=(0.75*42.7+57.3*1-57.3*0.25)/3*7972
=[0.75*42.7+57.3(1-0.25)]/3*7972
=[0.75*42.7+57.3*0.75]/3*7972
=[(42.7+57.3)*0.75]/3*7972
=75/3*7972
=25*7972
=199300

3.45*0.6*2.8=3.45×2.8×0.6=5.796

4.02+5.4+0.98
=4.02+0.98+5.4
=5+5.4
=10.4
5.17-1.8-3.2
=5.17-(1.8+3.2)
=5.17-5
=0.17

13.75-(3.75+6.48)
=13.75-3.75-6.48
=3.52

33*145+33*55
=(145+55)*33
=200*33
=6600

369*136-36*369
=100*369
=36900

193*51+193*49
=100*193
=19300

25*32
=25*4*8
=800

79*16+79*78+79*6
=(16+78+6)*79
=100*79
=7900

25*32
=25*4*8
=800

193*51+193*49
=100*193
=19300

369*136-36*369
=100*369
=36900

33*145+33*55
=(145+55)*33
=200*33
=6600
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
第2个回答  2011-01-23
7.91乘3加3乘2.19
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