初一数学上册计算题天天练强烈推荐66Word格式文档下载.docx
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11
2+—-—14×
(-17)+15×
(-17)
612
531
(-+-)÷
-(-60)÷
16÷
(-18)
445
171
-(—+—+—)×
1443×
[13-(-3)2]
466
6、合并同类项。
-4x-(3x+3)9x-(7x-3s)+(6s-x)
-3(4t-6)-8t8+(5a-1)+(9a+1)
2(-ab-4a)-(2a+4b)9(abc+8a)+6(8a-4abc)
2(xy-3z)-(-xy+6z)-8(pq+pr)+(4pq+pr)
7、解方程。
5x1
—x+—=—0.1x+0.8=3.6-9.6x
683
21
—+2x=7+—x6(x+9)-3(x+8)=10
76
13
—(8x+4)=—x+42x+3(3+x)=-3
25
y-2y-2
——=1-——5x-4.5(x+4)=35
46
12
—(5+3x)=—(5x+2)2(3x-3)=6
69
3—,-0.5,0,-1.6
—,-3.5,-19,-5.6
2
-3—,-1.55,6,0.56
(1)-20与-7
(2)-3与-0.25(3)|-6.7|与|-3.4|
(4)-—与-—(5)-15与-|-10|(6)|-77.2|与|-4.6|
85
51
2-—-—8×
(-3)+2×
(-3)
618
119
-(-60)×
12÷
(-24)
558
418
1053×
[1-(-3)3]
357
-5a+(7a+6)9a-(4a-7c)+(9c+a)
-5(3s-9)-3s6-(7y+4)-(7y+2)
4(-ab-2a)-(9a+8b)11(abc+8a)-4(3a+9abc)
9(xy+6z)+(-xy-5z)-6(pq-pr)-(8pq-pr)
7x1
—x-—=—0.5x-0.3=4.2+4.3x
363
41
—+3x=8-—x7(x+5)-3(x-7)=17
98
11
—(6x+4)=—x-27x+3(12-x)=-7
y-1y-2
——=9-——2.5x-9.5(x+2)=30
26
—(4+4x)=—(5x+1)9(2x-7)=5
77
5—,-4,0,-3.2
—,18,9,6.2
8—,-3.35,-2,0.8
(1)-14与3
(2)-2.75与0.25(3)|-9.1|与|-0.1|
(4)-—与-—(5)20与-|-2|(6)|-27.4|与|-8.6|
27
8+—+—30×
(-17)-5×
615
114
-(-96)÷
14÷
855
411
-(—+—-—)×
601×
[12-(-3)2]
354
9b+(7b+2)5b-(4b-4d)-(7d-9b)
-6(2n-7)+4n10+(6x+3)-(7x-2)
2(-ab+9a)-(5a-2b)3(abc+8a)-5(6a-9abc)
8(xy-2z)-(-xy+7z)-3(pq-pr)-(9pq+pr)
—x+—=—0.4x-0.1=6.4+9.1x
81
—-8x=2+—x9(x+6)+3(x+9)=9
93
—(8x-6)=—x+46x-9(18-x)=-7
75
——=4+——5x-6.5(x-4)=15
35
—(4-2x)=—(4x+5)2(3x+7)=1
99
-5—,4,0,-1.6
—,-12.5,5,4.2
8
9—,-2.4,-6,-0.16
(1)-18与3
(2)-3.75与-1.25(3)|-6|与|-0.7|
(4)-—与-—(5)6与-|-2|(6)|-93.8|与|-6.2|
65
113
5+—+—28×
(-6)-20×
(-6)
657
-(-90)÷
12×
746
935
1928×
[19-(-1)2]
846
4y-(5y+1)4y+(9y-9p)-(8p+y)
-9(7n+5)-9n2+(4x-2)+(4x+4)
7(ab+7a)+(4a-8b)17(abc+5a)+2(8a+4abc)
7(xy+7z)+(-xy+7z)-5(pq-pr)-(2pq+pr)
—x-—=—0.5x+0.3=5-0.7x
966
—-9x=2-—x3(x+1)-4(x-6)=10
95
14
—(4x+9)=—x+39x-4(19-x)=-9
55
y+2y+2
——=1-——5x-0.5(x+3)=15
—(5+2x)=—(5x-2)8(2x+1)=9
97
-1—,-3.5,0,4.8
—,-4.5,-5,-5.5
-1—,3.05,-9,-0.48
7
(1)-20与-4
(2)-4.25与-0.5(3)|-5.4|与|-3.8|
(4)-—与-—(5)-12与-|-2|(6)|-86.8|与|-0.2|
79
111
6+—+—6×
(-16)-15×
(-16)
318
615
(---)÷
-(-126)×
(-12)
766
1003×
[20-(-5)3]
554
3n-(9n+9)7n+(9n+3p)+(6p+n)
5(5t-5)-4t6-(4x-6)