初一数学上册计算题天天练精品29Word格式.docx
《初一数学上册计算题天天练精品29Word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精品29Word格式.docx(24页珍藏版)》请在冰豆网上搜索。
-(—-—+—)×
1603×
[13-(-3)2]
854
6、合并同类项。
3y-(4y-7)y+(3y+6q)+(7q-8y)
6(2s-3)-5s7+(8y+3)-(7y+6)
8(ab+4a)+(7a-7b)18(abc-7a)+5(2a+7abc)
5(xy+4z)-(-xy-5z)-5(pq-pr)+(4pq+pr)
7、解方程。
7x1
—x-—=—0.3x-0.8=3.8+4.2x
946
81
—+7x=7+—x2(x+7)+4(x-7)=10
38
11
—(6x+6)=—x+87x+5(9-x)=-8
75
y-1y-1
——=4+——3.5x+0.5(x+1)=25
35
12
—(3-3x)=—(4x-1)8(7x-8)=12
29
-3—,-2.5,0,-7.2
-—,-16.5,-10,-8.7
3
-1—,-4.2,0,-0.72
(1)-20与-5
(2)-4.25与0.5(3)|-5.3|与|-3.2|
(4)-—与-—(5)-8与-|-2|(6)|-53.9|与|-2.2|
45
71
5+—+—10×
(-4)+5×
(-4)
318
757
-(-90)÷
16÷
(-18)
846
719
-(—-—-—)×
2565×
[5+(-3)2]
848
-3b+(5b-9)b+(3b-9s)-(7s+7b)
2(8a+5)+2a7+(5a+1)+(9a+2)
4(ab-4a)+(7a+7b)16(abc-8a)-9(5a+3abc)
6(xy+8z)+(-xy+7z)-4(pq+pr)+(7pq-pr)
—x-—=—0.8x-0.8=9.8+1.6x
943
—+6x=5-—x7(x-6)-9(x+5)=5
—(6x-2)=—x-32x+8(14+x)=-1
25
y-2y-2
——=7+——4.5x-10(x-1)=50
25
—(1+2x)=—(2x+3)7(6x+4)=6
5—,-1,0,-1.6
-—,4.5,3,-7.9
6
-7—,-0.75,-5,-0.56
(1)-15与-5
(2)-4.75与-0.25(3)|-6.7|与|-3.5|
(4)-—与-—(5)18与-|-3|(6)|-51.6|与|-9.9|
63
713
3-—-—21×
(-2)-16×
(-2)
786
(-+-)÷
6×
(-21)
877
576
1684×
[13+(-2)2]
467
3a+(6a+2)a+(9a-5d)-(9d-a)
-3(8n+1)+3n2-(6x+7)+(4x+8)
2(-ab+6a)+(2a+6b)3(abc+6a)+9(7a+4abc)
2(xy-8z)+(-xy-9z)-7(pq+pr)+(6pq-pr)
—x-—=—0.5x-0.9=1.2+7.1x
366
41
—+9x=3+—x5(x-4)-3(x-3)=19
73
14
—(8x+9)=—x-22x-2(13-x)=-2
55
y+2y+2
——=9+——4x+1.5(x+9)=45
—(2-2x)=—(4x-5)9(3x+3)=7
-5—,-4,0,5.6
—,24.5,3,-8.1
-2—,-2.75,6,0.4
9
(1)-17与5
(2)-5与2.25(3)|-4.4|与|-3.2|
(4)-—与-—(5)-20与-|-3|(6)|-17.9|与|-9.3|
29
111
8-—+—20×
(-14)+27×
(-14)
315
141
(---)×
-(-180)÷
12÷
834
119
-(—+—+—)×
[12+(-5)2]
738
6b+(6b+7)9b+(6b-3p)-(8p+b)
9(9b-7)-9b1-(3x+1)+(8x-9)
2(ab+4a)+(6a+6b)15(abc-9a)-7(6a+9abc)
6(xy+7z)-(-xy+7z)-5(pq+pr)+(2pq-pr)
—x-—=—0.4x+0.9=1.3+7.1x
626
—+3x=7-—x8(x+4)+4(x+2)=9
77
13
—(9x+9)=—x+49x-3(15-x)=-7
y-3y+1
——=9+——0.5x+6.5(x-6)=50
46
—(1-4x)=—(4x+4)3(6x-5)=16
27
5—,-4.5,0,4.8
-—,11.5,-7,-6.9
4—,-3.6,8,0.24
(1)-11与7
(2)-3.75与-1(3)|-5.3|与|-3.7|
(4)-—与-—(5)-11与-|-8|(6)|-33.3|与|-8.9|
57
113
6-—+—12×
(-1)+16×
(-1)
712
-(-162)÷
6÷
(-6)
843
192
1204×
[19+(-2)2]
583
-3a-(8a+1)a+(9a-6s)+(5s+6a)
6(6t+9)-4t1-(9n-1)-(6n+10)
5(-ab-3a)-(8a-4b)11(abc+3a)+7(9a-7abc)
4(xy+8z)+(-xy+3z)-7(pq-pr)+(9pq+pr)
—x-—=—0.6x-0.4=6-4.9x
963
21
—-7x=5-—x2(x-5)+3(x+1)=11
96
—(3x-4)=—x-48x+9(1+x)=-1
35
y-2y+1
——=9+——1x-1.5(x+2)=50
—(2-2x)=—(5x-5)6(8x+4)=2
99
-2—,-2,0,-2.4
—,1,-9,-8.3
-5—,4.7,-6,0.56
(1)-20与5
(2)-3.5与-1.5(3)|-9.3|与|0.6|
(4)-—与-—(5)-13与-|-8|(6)|-49.5|与|-7.7|
711
5+—+—18×
(-11)-9×
(-11)
-(-102)÷
14÷
734
931
1924×
[16-(-5)3]
-4a+(2a+3)9a+(4a-9q)+(3q-a)
-4(2m+6)+3m4-(8y+4)+(8y+1)
7(ab+5a)-(4a+8b)16(abc-5a)+2(3a+7abc)
4(xy-5z)+(-xy-6z)-2(pq-pr)+(7pq-pr)
—x+—=—0.7x-0.2=2.2+2.7x
966
—-6x=2-—x5(x+5)+5(x+9)=14
78
—(5x+6)=—x+59x+3(20-x)=-3
y-2y-3
——=2-——2.5x-9.5(x+7)=50
—(4-4x)=—(3x-3)4(9x+7)=17
3—,-2,0,-4
—,8,4,-1.1
-2—,3.25,10,0.64
(1)-15与-2
(2)-4.75与-0.5(3)|-6.2|与|1.1|
(4)-—与-—(5)-7与-|-3|(6)|-16.5|与|-9.8|
77
5+—-—22×
(-9)-28×
(-9)
918
124
8÷
833
181
2109×
[7-(-5)2]
675
2n+(4n-1)n+(3n-3d)+(5d+n)
-6(9m-1)-4m2-(6m+3)-(9m+2)
9(ab+2a)-(7a-8b)11(abc+9a)-9(7a+4abc)
6(xy+3z)+(-xy-7z)-7(pq+pr)-(3pq+pr)
—x+—=—0.5x+0.6=8.2+6.1x
—+3x=2-—x2(x+4)-4(x-8)=15
98
—(9x-1)=—x-35x-7(14+x)=-1
y-1y+2
——=5+——2x-2.5(x+3)=15
36
—(1-3x)=—(5x-2)8(2x-1)=4
45
4—,-3,0,7.2
-—,20.5,4,1.6
-1—,3.35,9,-0.24
(1)-18与-7
(2)-5与-1.5(3)|-4.8|与|-0.5|
(4)-—与-—(5)-18与-|-5|(6)|-42.3|与|-0.9|
99
2-—-—10×
(-17)-29×
312
183
(-+-)×
-(-90)×
674
336
807×
445
-4m+(2m+7)m+(2m+4s)+(4s+4m)
-9(8b+10)+5b6+(9b+5)-(7b+9)
2(ab+8a)+(5a+4b)13(abc-9a)-9(9a+5abc)
4(xy+5z)-(-xy+9z)-5(pq-pr)+(4pq+pr)
—x-—=—0.3x+0.8=1.1-3.5x
629
—+7x=6-—x8(x-9)-5(x-4)=18
33
—(3x+8)=—x-99x+2(12-x)=-3
y+3y+3
——=4-——5x-7(x-8)=40
—(2-3x)=—(3x-3)5(7x+7)=4
53
-1—,4,0,-4
—,22,10,-9.8
4—,0.8,8,-0.16
(1)-16与-8
(2)-3.5与-1.5(3)|-4.2|与|-0.3|
(4)-—与-—(5)-13与-|-1|(6)|-5.7|与|-8.6|
65
5+—-—21×
(-1)-20×
494
-(-66)×
2÷
(-27)
781
3363×
[15-(-1)3]
876
-5y+(4y+2)y+(6y-4q)-(4q+y)
-2(3a-2)-7a5-(3a+4)+(2a-6)
3(-ab-7a)-(7a+4b)6(abc+4a)-4(7a+9abc)
7(xy-4z)+(-xy-9z)-7(pq+pr)-(2pq-pr)
5x1
—x+—=—0.4x-0.9=2.4+0.1x
663
—+2x=4-—x3(x-6)-8(x+7)=9
79
—(5x-5)=—x-82x+8(4+x)=-7
95
y+3y-3
——=6+——5x-7.5(x-3)=20
—(5+4x)=—(4x+4)7(6x+9)=10
2—,0.5,0,-3.2
-—,13,-11,-9.7
6—,-0.9,-10,0.16
(1)-16与4
(2)-3.25