人教版初一数学上册计算能力专项训练114Word文件下载.docx
《人教版初一数学上册计算能力专项训练114Word文件下载.docx》由会员分享,可在线阅读,更多相关《人教版初一数学上册计算能力专项训练114Word文件下载.docx(12页珍藏版)》请在冰豆网上搜索。
4-—+—29×
(-5)+24×
(-5)
612
369
(---)×
-(-84)÷
10÷
(-9)
478
674
-(—+—+—)×
1683×
[10+(-2)3]
783
6、合并同类项。
-7m+(7m-4)9m+(7m-5c)+(6c-2m)
-9(6n-9)+8n3+(2y+8)-(6y-6)
9(ab-5a)-(3a-8b)2(abc-4a)-8(6a+4abc)
4(xy+7z)-(-xy-6z)-2(pq+pr)+(3pq+pr)
7、解方程。
5x1
—x-—=—0.8x-0.6=1.1+5.1x
966
41
—+8x=4+—x3(x-7)+3(x+7)=16
38
11
—(8x+6)=—x+92x+5(11+x)=-6
35
y+2y-3
——=4+——3x+3.5(x-2)=50
45
12
—(4+4x)=—(5x-4)9(3x-8)=11
95
4
1—,-1.5,0,-0.8
—,11.5,20,2.3
8—,1.5,6,-0.72
(1)-18与2
(2)-4与-0.75(3)|-7.4|与|1.5|
(4)-—与-—(5)-19与-|-3|(6)|-77.5|与|-2.7|
89
511
3-—-—9×
(-13)-7×
(-13)
312
969
(-+-)÷
-(-102)÷
14÷
(-24)
878
111
1478×
[6-(-1)3]
773
-7b-(7b-9)b+(2b+6q)-(7q-b)
4(7n+1)+5n5+(5a-7)-(8a+2)
7(ab+2a)-(2a-5b)20(abc+8a)+4(2a-8abc)
2(xy-3z)+(-xy+6z)-6(pq+pr)+(3pq+pr)
7x1
—x+—=—0.8x-0.6=7+2.2x
389
21
—-6x=7+—x2(x+1)-2(x-2)=6
13
—(9x-6)=—x+12x+8(9+x)=-2
85
y-1y+1
——=7+——1.5x-3(x+9)=25
26
—(4+2x)=—(5x+4)8(7x+8)=12
65
-5—,5,0,6.4
—,1,-17,-1.5
6
2
-7—,-2.5,2,0.08
(1)-20与7
(2)-4.25与0.5(3)|-4.4|与|0.6|
(4)-—与-—(5)-16与-|-8|(6)|-1.5|与|-8.3|
67
513
7+—-—13×
(-7)+15×
(-7)
315
914
(---)÷
-(-126)×
12×
(-12)
863
788
-(—-—+—)×
3922×
[7-(-2)2]
877
9y-(5y+8)4y-(7y-7d)-(3d+y)
-4(5t-5)+3t4-(9n-6)+(6n-7)
7(ab-9a)-(4a-4b)13(abc+3a)+4(8a+9abc)
5(xy-8z)+(-xy-2z)-9(pq-pr)-(9pq+pr)
—x+—=—0.8x+0.1=2.5-9.3x
81
—+9x=7-—x2(x-6)-7(x-2)=11
74
—(6x+7)=—x+89x-4(13+x)=-3
y+2y+1
——=8+——2.5x-0.5(x+4)=35
46
—(3+2x)=—(5x+5)9(6x-3)=8
39
-5—,-4,0,-5.6
—,-12.5,-1,-6.1
-1—,-2.7,-6,0.8
9
(1)-17与6
(2)-5与1.75(3)|-9.3|与|-3.7|
(4)-—与-—(5)8与-|-8|(6)|-25.6|与|-3.1|
55
8+—-—1×
(-19)-4×
(-19)
915
157
(-+-)×
-(-78)÷
16×
546
574
2403×
[1-(-3)2]
685
2a-(6a-5)a-(4a-2p)+(9p-7a)
9(5b+10)+8b9+(8y-6)-(4y-10)
2(-ab+8a)+(6a+2b)9(abc+3a)+4(8a-4abc)
5(xy+5z)+(-xy-2z)-5(pq-pr)+(7pq-pr)
—x+—=—0.9x+0.9=9.5+1.4x
926
—-5x=5-—x3(x+3)-5(x+2)=4
98
14
—(4x+2)=—x+76x+5(13-x)=-6
25
y+1y-3
——=9+——5x+9(x-2)=5
—(5+3x)=—(5x-2)7(9x+2)=8
55
3—,1.5,0,7.2
-—,4,-20,4.3
-7—,1.6,0,0.64
(1)-15与3
(2)-4.5与2.5(3)|-5.5|与|-1.8|
(4)-—与-—(5)-5与-|-7|(6)|-10.6|与|-5.2|
59
77
2-—+—16×
(-4)+26×
(-4)
318
661
-(-114)÷
16÷
(-3)
554
777
2881×
[19+(-4)3]
668
-5x-(2x-1)x-(3x+7z)+(7z-x)
-3(8t-3)-2t6-(3x-10)+(6x-6)
2(