(完整版)初一100道数学计算题及答案

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(完满版)初一100道数学计算题及答案

1.25 ×(8+10 )

=1.25 ×8+1.25 ×10

9123- ( 123+8.8 )

1.24 ×8.3+8.3 ×

=8.3 ×(1.24+1.76)

=8.3 ×

9999 ×1001

=9999 ×(1000+1 )

=9999 ×1000+9999 ×1

=10008999

14.8 ×6.3-6.3 ×6.5 + 8.3 ×

= ( 14.8-6.5 )×6.3 + 8.3

×3.7 =8.3 ×6.3+8.3 ×3.7 8.3

×(6.3 +3.7 )

=8.3 ×10

=83

= ( ) (完满版)初一100道数学计算题及答案

933-157-43

=933- ( 157+43 )

=933-200

=733

4821-998

=4821-1000+2

=3823

I32 ×125 ×25

=4 ×8×125 ×25

= ( 4 ×25 )×( 8 ×125 )

=100 ×1000

=100000

9048 ÷268

= ( 2600+2600+2600+1248 )÷26

=2600 ÷26+2600 ÷26+2600 ÷26+1248 ÷269

=100+100+100+48

=348

2881 ÷ 43

= ( 1290+1591 )÷ 434

=1290 ÷43+1591 ÷43 (完满版)初一100道数学计算题及答案

=30+37

3.2 ×42.3 × × ×16

=3.2 ×42.3 × × ×

=42.3 ×(3.2 × ×1.6)

=42.3 ×(4 ×0.8 ×3.75-1.25 ×4×0.4)

=42.3 ×(4 ×0.4 ×2× ×4 ×0.4)

=42.3 ×(4x0.4x7.5-1.25x4x0.4)

=42.3 ×[4 ×0.4 ×(7.5-1.25)]

=42.3 ×[4 ×0.4 ×6.25]

=42.3 ×(4 ×2.5)

=4237

1.8+18 ÷1.5-0.5 ×

6.5 ×8+3.5 ×8-47

=52+28-47

=80-47

(80-9.8) ×5 分之

(完满版)初一100道数学计算题及答案

8 ×7 分之 4 ÷[1 ÷(3.2-2.95)]

=8 ×4/7 ÷[1 ÷0.25]

=8 ×4/7 ÷4

=8/7

2700 ×(506 -499 )÷900

=2700 ×7÷900

=18900 ÷900

=21

33.02 -( 148.4 -90.85 )÷

=33.02 - 57.55 ÷

=33.02 -

=10

( 1 ÷1 -1)÷5.1 = ( 1 -

1 )÷5.1 =0 ÷5.1

=0

18.1 +( 3 - 0.299 ÷0.23 )×1 =18.1 + 1.7 ×1 =18.1 +

[-18]+29+[-52]+60= 19

[-3]+[-2]+[-1]+0+1+2= -3 (完满版)初一100道数学计算题及答案

[-301]+125+301+[-75]= 50

[-1]+[-1/2]+3/4+[-1/4]= -1

[-26.54]+[-6.14]+18.54+6.14= -8

1.125+[-17/5]+[-1/8]+[-0.6]= -3

[-98+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)

5+21*8/2-6-59

68/21-8-11*8+61

-2/9-7/9-56

4.6-(-3/4+1.6-4-3/4)

1/2+3+5/6-7/12

[2/3-4-1/4*(-0.4)]/1/3+2

22+(-4)+(-2)+4*3

-2*8-8*1/2+8/1/8

(2/3+1/2)/(-1/12)*(-12)

(-28)/(-6+4)+(-1)

2/(-2)+0/7-(-8)*(-2)

(1/4-5/6+1/3+2/3)/1/2

18-6/(-3)*(-2)

(5+3/8*8/30/(-2)-3

(-84)/2*(-3)/(-6)

1/2*(-4/15)/2/3 (完满版)初一100道数学计算题及答案

-3x+2y-5x-7y

1437 ×27 + 27 ×563 〔 75- ( 12+18 )〕÷15

2160 ÷〔( 83-79 )×18 〕 280 + 840 ÷24 ×5

325 ÷13 ×(266 - 250) 85 ×(95 - 1440 ÷24)

58870 ÷(105 + 20 ×2) 1437 ×27 +27 ×563

81432 ÷(13 ×52 + 78) [37.85- ( ) ] ×30

156 ×[(17.7-7.2) ÷3] (947 - 599 )+ 76 ×64

36 ×(913 - 276 ÷23) [192 -( 54 + 38 ) ] ×67

[ ( 7.1-5.6 )×0.9-1.15] ÷2.5 81432 ÷(13 ×52 +78)

5.4 ÷[2.6 ×( 3.7-2.9 )+0.62] ( 947 - 599 )+ 76 ×64 60 -(9.5 + 28.9)] ÷ ÷

-0.24 ×3.5 20 ×[(2.44 - 1.8) ÷0.4 + 0.15] ×2.4) 0.8 ×〔 5.79) 〕

( 31.8 3.2 ×4)÷5 194 - 64.8 ÷1.8 ×0.9 36.72 ÷4.25 ×9.9 3.416 ÷(0.016 ×35 ) 0.8 ×[(10

- 6.76) ÷1.2]

( 136+64 )×(65-345 ÷23 ) (6.8-6.8 ×0.55) ÷

0.12 × 4.8 ÷0.12 ×4.8 ( 58+37 )÷( 64-9 ×5 )

812-700 ÷(9+31 ×11 ) ( × )÷

85+14 ×(14+208 ÷26 ) 120-36 ×4÷18+35

( 284+16 )×(512-8208 ÷18 ) 9.72 ×1.6-18.305 ÷7

4/7 ÷[1/3 ×(3/5-3/10 ) ] ( 4/5+1/4 )÷7/3+7/10

12.78 - 0 ÷( 13.4 + ) 37.812-700 ÷(9+31 ×11 ) ( 136+64 )×(65-345 ÷23 )

3.2 ×(1.5+2.5 )÷

85+14 ×(14+208 ÷26 ) ( 58+37 )÷(64-9 ×5 ) (完满版)初一100道数学计算题及答案

(6.8-6.8 ×0.55) ÷8.5 ( 284+16 )×(512-8208 ÷18 )

0.12 × 4.8 ÷0.12 ×4.8 ( 3.2 ×1.5+2.5 )÷

120-36 ×4 ÷ ×

×( ) +4.2 ×3.74 347+45 ×2-4160 ÷52

32.52- ( ÷ )×2.5 87 ( 58+37 )÷(64-9 ×5 )

[ ( 7.1-5.6 )×0.9-1.15] ÷ ( 3.2 ×1.5+2.5 )÷

÷[2.6 ×(3.7-2.9 ) +0.62] 12 ×6÷(12-7.2 ) -6

×6+ ( )÷1.6 ( 3.2 ×1.5+2.5 )÷

×( ) +4.2 ×

33.02 -( 148.4 -90.85 )÷

1)23+(-73)

(2)(-84)+(-49)

(3)7+(-2.04)

(4)4.23+(-7.57)

(5)(-7/3)+(-7/6)

(6)9/4+(-3/2)

(7)3.75+(2.25)+5/4

(8)-3.75+(+5/4)+(-1.5)

(9)(-17/4)+(-10/3)+(+13/3)+(11/3)

(10)(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)

(11)(+1.3)-(+17/7)

(12)(-2)-(+2/3)