(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)