人教版初一数学上册计算能力专项训练59Word文档下载推荐.docx
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1+—-—6×
(-14)+11×
(-14)
918
177
(---)÷
-(-132)×
16÷
(-18)
388
337
-(—-—-—)×
969×
[18+(-3)3]
446
6、合并同类项。
-7n-(6n-1)n-(9n-7p)+(2p+n)
-6(3m-3)-2m8+(3b+7)-(9b-1)
3(-ab+9a)+(4a+9b)3(abc+9a)-5(5a-4abc)
8(xy-3z)+(-xy-5z)-4(pq-pr)+(5pq-pr)
7、解方程。
7x1
—x+—=—0.1x+0.8=0.9+8.5x
326
21
—-2x=3+—x9(x-1)+3(x-3)=6
74
11
—(3x+9)=—x+65x-2(18+x)=-5
35
y-2y-3
——=2-——3.5x+10(x-4)=30
26
12
—(4+4x)=—(3x+3)9(6x-6)=10
93
-5—,-3,0,-1.6
-—,10,-8,5.8
9
4
7—,-1.7,1,0.32
(1)-14与6
(2)-3与0.5(3)|-7.3|与|-1.1|
(4)-—与-—(5)-6与-|-5|(6)|-19.7|与|-4.5|
69
77
9+—+—2×
(-18)-22×
315
311
-(-168)×
12×
(-3)
457
711
-(—+—-—)×
1927×
[5-(-4)3]
864
8n+(6n+3)6n-(3n+8q)+(3q-n)
-8(4n-10)+5n9-(9x-5)+(3x-10)
2(ab+4a)+(8a-5b)6(abc+8a)-5(6a-3abc)
2(xy+4z)+(-xy-2z)-3(pq-pr)+(5pq-pr)
5x1
—x+—=—0.5x-0.8=0.8+9.3x
683
41
—+6x=5-—x5(x+8)+5(x-3)=4
75
14
—(4x+6)=—x-37x-9(1+x)=-2
55
y-1y+1
——=1+——4.5x+7(x+3)=10
—(3+2x)=—(5x+4)3(7x-2)=8
47
-4—,1,0,6.4
-—,14,-12,-5.8
-3—,-1.4,10,-0.08
(1)-17与10
(2)-3.5与-1(3)|-8.4|与|2.9|
(4)-—与-—(5)6与-|-8|(6)|-1|与|-5.5|
11
4+—+—6×
(-5)-2×
(-5)
615
714
(-+-)÷
-(-174)÷
10÷
(-12)
683
172
-(—+—+—)×
1083×
[10+(-5)2]
663
-6a+(2a+5)a-(4a-9d)+(7d+a)
6(4s+1)-2s4+(6n-2)+(2n-5)
7(ab-3a)-(7a-2b)9(abc-3a)+7(4a+6abc)
7(xy+4z)-(-xy-9z)-5(pq+pr)+(5pq+pr)
—x+—=—0.2x+0.3=7.6-8.5x
946
—+4x=4-—x8(x-4)-3(x-9)=7
33
—(9x+4)=—x-69x-4(8-x)=-3
85
y+3y-3
——=5+——0.5x+9.5(x+1)=15
25
—(3-2x)=—(4x-4)3(3x+2)=10
89
-4—,5,0,5.6
—,11.5,14,1.9
8—,-4.6,0,0.16
(1)-9与7
(2)-4.5与-1.5(3)|-6.9|与|3.8|
(4)-—与-—(5)-10与-|-5|(6)|-40.1|与|-0.3|
63
711
7-—+—29×
(-17)+10×
(-17)
612
519
(-+-)×
-(-84)×
4×
(-24)
638
1923×
846
-8n-(7n+6)9n-(5n+3c)-(8c-2n)
-2(5t+3)-9t9+(8n-6)+(2n-1)
2(-ab+8a)+(2a-5b)8(abc+5a)+6(6a-2abc)
9(xy-2z)+(-xy+6z)-6(pq+pr)-(4pq-pr)
—x+—=—0.5x+0.3=7.2+9x
989
—-8x=9+—x4(x-4)+9(x+4)=17
53
—(6x-8)=—x+83x+5(6+x)=-2
95
y-2y-1
——=2+——2.5x-5.5(x+8)=40
46
—(2+2x)=—(4x+3)7(5x+4)=20
3
-1—,-2,0,-2.4
—,10,-8,6.4
2—,-1.1,4,0.72
(1)-9与-4
(2)-3.5与-1(3)|-5|与|-3.4|
(4)-—与-—(5)-20与-|-6|(6)|-47.9|与|-6.5|
9+—+—19×
(-4)+2×
(-4)
276
14×
385
151
2103×
[8+(-5)3]
765
2m+(2m+3)2m+(8m-5c)-(2c+3m)
6(8m-1)-8m6-(7x+4)-(4x+4)
8(ab-7a)+(5a+8b)7(abc-8a)-2(9a-9abc)
7(xy-7z)+(-xy-4z)-6(pq-pr)+(4pq-pr)
—x-—=—0.1x+0.3=9.8-1.1x
689
—-8x=9+—x4(x-2)-5(x+4)=1
13
—(8x+9)=—x-32x-3(3-x)=-2
y-3y+3
——=5+——2x-4.5(x-1)=35
36
—(1+3x)=—(3x-3)4(3x-4)=12
79