人教版初一数学上册计算能力专项训练92Word格式文档下载.docx
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111
7-—+—26×
(-20)+25×
(-20)
612
931
(---)÷
-(-72)÷
16÷
(-12)
843
411
-(—+—-—)×
1806×
[20+(-2)3]
566
6、合并同类项。
8b-(6b-3)b-(4b+2q)+(5q-3b)
3(7n+2)+2n6-(9a+10)+(6a+7)
4(-ab+4a)+(8a-5b)9(abc-8a)-4(8a+5abc)
9(xy-4z)+(-xy+5z)-2(pq-pr)+(9pq-pr)
7、解方程。
7x1
—x+—=—0.5x+0.3=8.1-4.8x
963
81
—-4x=5-—x7(x+4)+7(x+3)=1
32
12
—(4x+8)=—x+76x-8(8-x)=-5
75
y+2y-2
——=7-——2x+1(x-8)=30
26
—(1+2x)=—(3x+1)5(8x+3)=13
99
4
-4—,4,0,6.4
—,-2.5,-17,-9.5
7
1—,1.1,-1,0.8
(1)-20与3
(2)-3.75与1.5(3)|-5.1|与|-0.4|
(4)-—与-—(5)-8与-|-10|(6)|-40.7|与|-2.1|
55
113
8-—+—8×
(-19)+5×
(-19)
915
111
-(-144)÷
10÷
(-6)
611
1052×
[9-(-2)2]
537
-4x+(9x+5)x+(5x-9s)+(4s+x)
-9(8b-4)+8b2+(9b+10)-(7b-1)
3(-ab-7a)+(3a+7b)15(abc+8a)+7(8a+3abc)
8(xy+2z)+(-xy+5z)-7(pq-pr)-(7pq+pr)
—x+—=—0.3x-0.1=4.6+6.6x
943
41
—+3x=4+—x9(x-9)-6(x-2)=18
98
13
—(4x+5)=—x+63x-9(9-x)=-2
85
y+3y+1
——=7+——2x-4(x-7)=35
36
—(1-4x)=—(4x+4)2(2x-4)=15
67
-3—,-3,0,-8
—,24,-6,-8.5
5—,4.35,-7,0.64
(1)-12与3
(2)-2.25与2(3)|-8.5|与|1.8|
(4)-—与-—(5)5与-|-9|(6)|-33.9|与|-3|
27
513
4+—-—2×
(-19)-27×
618
186
(-+-)÷
-(-162)×
2÷
(-3)
875
354
-(—+—+—)×
484×
[16-(-4)3]
443
-2m-(6m+4)3m-(4m-7d)+(5d+m)
-8(2m+3)-5m4+(2a+3)-(5a+2)
3(ab+8a)+(8a-2b)5(abc+9a)+3(6a-4abc)
4(xy+4z)-(-xy-2z)-5(pq-pr)-(6pq+pr)
5x1
—x-—=—0.3x+0.7=8-8.8x
389
—+8x=6+—x5(x+8)-5(x+2)=12
56
—(6x+1)=—x-65x-5(8-x)=-2
45
y-1y+2
——=3-——2.5x-10(x+3)=25
46
—(3+2x)=—(2x+2)7(3x+3)=3
3
-2—,3.5,0,-8
—,-1.5,14,-7.7
-7—,-3.1,-7,-0.8
(1)-20与10
(2)-3.25与-2(3)|-6|与|3|
(4)-—与-—(5)-18与-|-5|(6)|-72.7|与|-8.3|
83
1+—+—20×
(-13)-30×
(-13)
918
675
-(-108)÷
14÷
(-21)
766
612
-(—-—-—)×
1055×
[4+(-1)3]
573
5m+(4m+3)7m+(3m-4d)+(7d+9m)
3(9s-4)-7s2-(6y-1)+(8y-2)
6(ab+4a)-(2a-2b)5(abc-7a)+6(4a-5abc)
7(xy-6z)-(-xy+4z)-8(pq+pr)+(2pq+pr)
—x-—=—0.4x-0.1=9.5-8.2x
949
21
—+3x=4+—x2(x+1)-4(x-7)=15
97
—(7x-9)=—x-67x-4(19+x)=-6
55
y-1y-2
——=9-——3x+5.5(x-4)=35
—(3+4x)=—(3x-5)9(8x+8)=2
39
3—,4.5,0,4.8
-—,14,0,-4.5
1—,-0.15,6,0.16
(1)-17与8
(2)-2.25与2.5(3)|-4.7|与|3.8|
(4)-—与-—(5)-17与-|-1|(6)|-3.3|与|-4.8|
17
9+—+—9×
(-5)+27×
(-5)
912
516
(-+-)×
-(-132)×
18×
455
913
-(—-—+—)×
1609×
[1+(-2)2]
854
-3a-(3a-6)7a-(3a+9q)-(6q+2a)
-9(2b-2)+6b4+(4a-4)+(7a-3)
8(-ab+7