初一数学上册计算题天天练强烈推荐47Word文档格式.docx
《初一数学上册计算题天天练强烈推荐47Word文档格式.docx》由会员分享,可在线阅读,更多相关《初一数学上册计算题天天练强烈推荐47Word文档格式.docx(12页珍藏版)》请在冰豆网上搜索。
17
5-—-—6×
(-14)+19×
(-14)
312
756
(-+-)÷
-(-90)×
18×
(-15)
845
168
-(—+—-—)×
2949×
[13+(-1)2]
677
6、合并同类项。
-2x+(8x+9)2x-(3x+3z)+(7z-x)
8(4t+3)+8t1-(4y-6)-(3y+7)
3(-ab-5a)-(9a+2b)20(abc-7a)+8(5a+6abc)
7(xy-5z)+(-xy-6z)-2(pq-pr)-(4pq-pr)
7、解方程。
5x1
—x+—=—0.4x+0.4=5.9+1.2x
966
21
—+9x=2+—x6(x-8)-7(x-8)=5
72
11
—(4x+4)=—x+92x+3(6-x)=-6
45
y-1y+1
——=2+——2x-4.5(x-2)=25
35
12
—(4+4x)=—(3x-1)7(2x-3)=18
55
4
2—,-0.5,0,4
-—,19,19,4.3
2
-8—,-4.4,10,-0.56
7
(1)-16与5
(2)-5与2(3)|-4.3|与|-1.2|
(4)-—与-—(5)20与-|-2|(6)|-64.7|与|-1.7|
65
77
2-—-—4×
(-19)+17×
(-19)
918
111
(-+-)×
-(-114)÷
6×
(-21)
443
826
-(—-—+—)×
1479×
[18+(-5)3]
737
7b-(2b-7)8b-(3b+2c)+(4c-b)
-5(5n-3)+8n3-(3a-3)+(4a+7)
2(ab+5a)-(3a-6b)6(abc+5a)-7(8a-5abc)
5(xy+3z)-(-xy-7z)-8(pq+pr)-(8pq-pr)
7x1
—x-—=—0.4x+0.7=1.2+1.2x
649
81
—-3x=9-—x9(x-5)-4(x-5)=18
74
—(3x+6)=—x-57x-2(4-x)=-9
25
y-1y+2
——=8-——0.5x+5.5(x-9)=5
45
—(5-2x)=—(4x+1)2(9x+8)=15
67
-1—,4,0,4.8
-—,24,18,-0.9
-4—,-4.7,-4,0.56
(1)-15与-1
(2)-3.75与-1.75(3)|-7.4|与|3.5|
(4)-—与-—(5)-20与-|-10|(6)|-67.1|与|-9.9|
83
711
8-—+—2×
(-3)+7×
(-3)
141
-(-150)÷
10×
(-24)
558
915
2249×
[11-(-1)3]
874
6x-(5x+7)3x+(6x+3p)-(2p-4x)
-8(4s-2)-2s3+(5n-7)-(5n+9)
3(ab-7a)+(7a+7b)5(abc+2a)+4(5a-3abc)
3(xy+5z)-(-xy-8z)-9(pq-pr)+(2pq-pr)
—x+—=—0.9x-0.4=7.7+4.2x
366
—-3x=1-—x8(x+2)+5(x+5)=16
32
14
—(6x+5)=—x+33x-7(20+x)=-9
85
y-2y-1
——=2-——2.5x-4.5(x+4)=40
36
—(3+4x)=—(4x+3)2(4x+9)=15
53
-2—,4,0,-0.8
-—,-13.5,-17,4.2
8
1—,-4.2,1,-0.4
(1)-12与7
(2)-3.75与1(3)|-7.5|与|0.6|
(4)-—与-—(5)10与-|-1|(6)|-14.7|与|-4|
97
57
6-—-—3×
(-1)+7×
(-1)
615
964
-(-102)÷
12÷
875
224
-(—-—-—)×
276×
[10+(-4)3]
333
-8b-(4b-2)8b-(2b-9q)+(4q-4b)
-4(2n-3)-2n6+(6m+10)+(9m-7)
8(ab+7a)-(6a+2b)5(abc+5a)-2(9a+5abc)
7(xy-7z)+(-xy+6z)-2(pq-pr)-(5pq-pr)
—x+—=—0.5x+0.2=4.9-3.7x
963
—+2x=4+—x5(x+9)+8(x+1)=14
34
—(7x-1)=—x-72x+6(3-x)=-1
y+3y-2
——=9-——1x+4.5(x-4)=45
—(2-2x)=—(4x+3)5(7x+4)=5
-5—,0.5,0,4.8
-—,-20,11,2.1
-6—,-2.25,10,0.48
(1)-19与-7
(2)-5与0.5(3)|-4.5|与|-2|
(4)-—与-—(5)-11与-|-8|(6)|-72.8|与|-2.1|
69
71
5-—+—26×
(-11)+6×
(-11)
915
675
-(-84)×
16×
(-12)
784
775
2566×
[12-(-5)3]
884
-9x-(9x-6)x-(8x+8p)-(5p+x)
-3(4t-4)-7t5+(2a+7)-(5a-7)
4(ab+4a