初一100道数学计算题及答案资料
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1.25 X(8+10 )
=1.25 X8+1.25 X10
=10+12.5=22.5
9123- ( 123+8.8 )
=9123-123-8.8
=9000-8.8
=8991.2
1.24 X8.3+8.3 X1.76
=8.3 X(1.24+1.76)
=8.3 X3=24.9
9999 X1001
=9999 X(1000+1 )
=9999 X1000+9999 X1
=10008999
14.8 X6.3-6.3 X6.5 + 8.3 X3.7
=(14.8-6.5 )X6.3 + 8.3 X3.7
=8.3 X6.3+8.3 X3.7
8.3 X(6.3 + 3.7 )
=8.3 X10
=83
1.24+0.78+8.76 此文档仅供收集于网络，如有侵权请联系网站删除
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=(1.24+8.76 ) +0.78
=10+0.78
=10.78
933-157-43
=933- (157+43 )
=933-200
=733
4821-998
=4821-1000+2
=3823
I32 X125 X25
=4 X8X125 X25
=(4 X25 ) X( 8 X125 )
=100 X1000
=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 此文档仅供收集于网络，如有侵权请联系网站删除
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=1290 -43+1591 -43
=30+37
3.2 X42.3 X3.75-12.5 X0.423 X16
=3.2 X42.3 X3.75-1.25 X42.3 X1.6
=42.3 X(3.2 X3.75-1.25 X1.6)
=42.3 X(4 X0.8 X3.75-1.25 X4 X0.4)
=42.3 X(4 X0.4 X2 X3.75-1.25 X4 X0.4)
=42.3 X(4x0.4x7.5-1.25x4x0.4)
=42.3 X[4 X0.4 X(7.5-1.25)]
=42.3 X[4 X0.4 X6.25]
=42.3 X(4 X2.5)
=4237
1.8+18 +1.5-0.5 X0.3
=1.8+12-0.15
=13.8-0.15
=13.65
6.5 X8+3.5 X8-47
=52+28-47
=80-47
(80-9.8) X5 分之 2-1.32
=70.2X2/5-1.32 此文档仅供收集于网络，如有侵权请联系网站删除
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=28.08-1.32
=26.76
8 X7 分之 4 -[1 +(3.2-2.95)]
=8 X4/7 -[1 -0.25]
=8 X4/7 +4
=8/7
2700 X(506 — 499 )+900
=2700 X7+900
=18900 +900
=21
33.02 —( 148.4 — 90.85 )+2.5
=33.02 — 57.55 -2.5
=33.02 — 23.02
=10
(1 +1 — 1 )+5.1
=(1 — 1 )+5.1
=0 -5.1
=0
18.1 +( 3 — 0.299 -0.23 )X1
=18.1 + 1.7 X1
=18.1 + 1.7 此文档仅供收集于网络，如有侵权请联系网站删除
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=19.8
卜18]+29+[-52]+60= 19
卜3]+[-2]+[-1]+0+1+2= -3此文档仅供收集于网络，如有侵权请联系网站删除
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卜301]+125+301+[-75]= 50
卜1]+[-1/2]+3/4+[-1/4]= -1
卜7/2]+5/6+卜0.5]+4/5+19/6= 1.25
卜26.54]+卜6.14]+18.54+6.14= -8
1.125+[-17/5]+[-1/8]+卜0.6]= -3
卜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 此文档仅供收集于网络，如有侵权请联系网站删除
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-3x+2y-5x-7y
1437 X27 +27 X563 〔75- (12+18 )〕-15
2160 -〔( 83-79 )X18〕280 + 840 -24 X5
325 -13 X(266 — 250) 85 X(95 — 1440 -24)
58870 讯105 + 20 X2) 1437 X27 + 27 X563
81432 讯13 X52 + 78) [37.85- ( 7.85+6.4 ) ] X30
156 X[(17.7-7.2) -3] (947 — 599 )+ 76 X64
36 X(913 — 276 -23) [192 —( 54 + 38) ] X67
[(7.1-5.6 )X0.9-1.15] -2.5 81432 -(13 X52 + 78)
5.4 -[2.6 X ( 3.7-2.9 ) +0.62] ( 947 — 599 ) + 76 X64 60 — (9.5 + 28.9)] -0.18 2.881 -0.43
—0.24 X3.5 20 X[(2.44 — 1.8) -0.4 + 0.15] 28-(3.4 1.25 X2.4) 0.8 X〔15.5-(3.21 5.79)〕
(31.8 3.2 X4) -5 194 — 64.8 -1.8 X0.9 36.72 -4.25 X9.9 3.416 - (0.016 X35) 0.8 X[(10
—6.76) -1.2]
(136+64 )X( 65-345 -23 ) (6.8-6.8 X0.55) -8.5
0.12 X 4.8 -0.12 X4.8 ( 58+37 ) -(64-9 X5)
812-700 -(9+31 X11 ) (3.2 X1.5+2.5 )-1.6
85+14 X(14+208 -26) 120-36 X4-18+35
(284+16 )X( 512-8208 -18) 9.72 X1.6-18.305 -7
4/7 -[1/3 X(3/5-3/10 ) ] (4/5+1/4 )-7/3+7/10
12.78 — 0 -( 13.4 + 156.6 ) 37.812-700 -(9+31 X11 ) (136+64 )X(65-345 -23 )
3.2 X(1.5+2.5 ) -1.6 此文档仅供收集于网络，如有侵权请联系网站删除
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85+14 X(14+208 -26 ) ( 58+37 ) -(64-9 X5) 此文档仅供收集于网络，如有侵权请联系网站删除
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(6.8-6.8 X0.55) -8.5 (284+16 )X( 512-8208 -18 )
0.12 X 4.8 -0.12 X4.8 (3.2 X1.5+2.5 ) -1.6
120-36 X4 -18+35 10.15-10.75 X0.4-5.7
5.8 X(3.87-0.13 ) +4.2 X3.74 347+45 X2-4160 -52
32.52- (6+9.728 -3.2 )X2.5 87 ( 58+37 )-(64-9 X5)
[(7.1-5.6 )X0.9-1.15] -2.5 ( 3.2 X1.5+2.5 )-1.6
5.4 -[2.6 X(3.7-2.9 ) +0.62] 12 X6-(12-7.2 ) -6
3.2 X6+ (1.5+2.5 )-1.6 (3.2 X1.5+2.5 ) -1.6
5.8 X(3.87-0.13 ) +4.2 X3.74
33.02 —( 148.4 — 90.85 )-2.5
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)
