初一数学上册计算题天天练精品53Word文件下载.docx
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113
8+—+—15×
(-1)-9×
(-1)
918
647
(---)×
-(-96)÷
18÷
(-24)
736
474
-(—-—+—)×
902×
[2-(-1)2]
365
6、合并同类项。
5m+(8m+3)5m-(5m-2q)+(8q+m)
-5(3m+7)+4m9-(5b-1)-(8b-6)
8(-ab+2a)-(7a-9b)6(abc-2a)+6(8a+4abc)
4(xy-5z)+(-xy+6z)-4(pq+pr)-(7pq-pr)
7、解方程。
7x1
—x+—=—0.7x+0.1=6.4-3.2x
369
81
—-8x=9-—x9(x+8)-4(x+1)=2
76
14
—(9x+4)=—x-58x-3(8+x)=-4
95
y+2y+3
——=7+——1.5x+1(x-1)=50
46
12
—(4-2x)=—(3x+1)9(6x-3)=6
37
2
2—,3.5,0,-5.6
—,16.5,10,4.2
-9—,4.35,-10,-0.16
(1)-15与-8
(2)-5与-1(3)|-4.8|与|-2.1|
(4)-—与-—(5)-9与-|-2|(6)|-86.8|与|-7.7|
59
111
6+—+—12×
(-12)-28×
(-12)
312
111
(-+-)×
-(-78)÷
18×
563
148
-(—+—-—)×
1055×
[3+(-3)3]
537
8y+(4y+7)y+(3y+8c)+(7c-y)
-6(8b+8)+9b10+(5b-5)-(3b+5)
6(-ab+4a)+(9a-4b)11(abc+3a)+6(7a-2abc)
5(xy-2z)-(-xy-5z)-7(pq-pr)-(2pq-pr)
—x+—=—0.6x+0.4=5.7-7.2x
986
41
—+6x=6+—x9(x-6)-2(x-3)=9
78
11
—(5x-4)=—x+66x+2(5+x)=-9
55
y+3y+1
——=4+——2x-7.5(x+1)=20
—(1-4x)=—(5x-4)7(3x+1)=14
39
-3—,4,0,-8
-—,-5,-1,-7.6
-1—,0.75,-1,0.16
(1)-9与9
(2)-4.5与-1.75(3)|-3.9|与|-1.8|
(4)-—与-—(5)-1与-|-1|(6)|-44.2|与|-0.6|
67
57
4-—-—20×
(-4)+8×
(-4)
612
243
(---)÷
-(-144)÷
334
454
-(—+—+—)×
1006×
[18-(-1)3]
545
-8a+(5a-8)3a+(2a-6p)-(6p-8a)
5(9t-4)+5t8-(5a-5)-(9a-10)
5(-ab+8a)+(7a-4b)15(abc-4a)-8(3a+5abc)
4(xy-4z)+(-xy-9z)-6(pq+pr)+(7pq-pr)
—x-—=—0.4x-0.9=3.3+3x
663
—+9x=5-—x3(x-5)-8(x+3)=16
74
—(3x+1)=—x+78x-5(18-x)=-5
25
y-2y+1
——=3-——1x-4.5(x-6)=50
45
—(3+2x)=—(5x+2)2(4x+3)=10
57
4
-5—,3.5,0,0.8
-—,21,-6,2.9
8
8—,-0.5,-8,0.48
9
(1)-13与2
(2)-4.5与1.5(3)|-9.9|与|3|
(4)-—与-—(5)13与-|-6|(6)|-51.9|与|-8.7|
23
11
9-—-—12×
912
214
-(-132)÷
6×
(-27)
333
795
2569×
[8-(-2)3]
884
3m-(4m+9)m+(4m+3z)+(5z+m)
7(7a-10)-4a3-(7x+2)-(9x-1)
8(ab+3a)-(2a-4b)16(abc-3a)+3(7a+4abc)
6(xy-7z)-(-xy+7z)-9(pq-pr)-(7pq+pr)
—x+—=—0.1x+0.7=2.8+8.4x
629
—+6x=9-—x4(x+5)-7(x+5)=3
52
—(8x+3)=—x-87x-6(5+x)=-5
y-1y-2
——=8-——3x-3(x+2)=45
36
—(4-4x)=—(4x-3)4(3x+1)=18
33
5—,2,0,-8
—,1,-12,8.7
3
4—,0.05,-3,0.64
(1)-16与8
(2)-2.5与-0.25(3)|-4.9|与|3.6|
(4)-—与-—(5)-10与-|-3|(6)|-73.7|与|-1.6|
43
9+—-—23×
(-17)+8×
(-17)
618
951
-(-126)÷
12÷
(-21)
844
766
2102×
[6-(-2)2]
657
4b-(3b+7)6b-(3b+7c)-(5c-b)
-5(3s-4)-9s6+(9a-5)+(7a+1)
5(ab-3a)+(5a+7b)