初一数学上册计算题专项训练8Word文件下载.docx
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(-17)
887
71
(—-—)×
(-30)(-5)2-12(-1)2584
68
(-14)×
(-6)20÷
(-1)-5.5+(-22.5)
11
(-—)-4+[-4-(-14-8)](-1)2+44
24
2+6+(-25)-(-25)-9.3-(-3.4)+(-1.1)-5.2
211213
(—-—)-(—-—)5.6-(-—)+(-4.7)+—
343755
-(5y-2)y-6(6-9b)
20x-4(8b-5z)-(4x-b)-7(4y-8b)
1
—(18+6y)+z-9(6a-7mn+7)
5
-—(a+b)+—(m+n)5(6a+y)-9(n-3p)
34
7a+(8a-6)a-(6a+9z)-(6z-a)
5(5a+7)+6a5+(7a-9)-(6a+1)
5(-ab+4a)+(2a+7b)16(abc+6a)+4(2a-2abc)
5(xy-2z)+(-xy-7z)-8(pq+pr)+(9pq-pr)
7x1
—x-—=—0.2x+0.3=7.1+4.6x
329
41
—+6x=4+—x7(x+6)+8(x+5)=17
96
12
—(2x+3)=—x+74x-7(16+x)=-7
85
y+3y+3
——=1+——3x-3(x-5)=30
25
0.9x-0.7=6.8-4.6x9(8x+2)=16
65
(-—)+(-—)-(-3)25÷
[(-1)2-(-4)]
—-(-—)+(-—)30+(-20)-10+(-14)
685
(-0.5)÷
(-8)(-2)2-33(-1)2679
9
011+[(-3)2÷
(-2]
632
113
(—-—)+(-—)12+(-28)-8-(-20)
484
24
(—+—)×
(-20)(-4)2+12(-1)2780
35
(-15)+(-9)13×
(-6)13+(-19.5)
(-—)-(-—)12-[-5+(-18-7)](-2)3-32
78
-12-5+(-4)+(-2)5.9+(-6)+(-0.7)+5.1
211227
(—-—)-(—+—)6.8+(-—)+(-1.3)+—
983755
-(4n+5)x-5(6+8c)
4m-4(8y-9z)-(5m+y)+6(2n+3c)
8
—(6-6x)-z-2(3b+2bc-3)
9
-—(b+c)+—(s+t)4(8a+x)+3(m-5q)
83
-7a+(9a+7)8a-(7a-2p)-(4p+7a)
-2(9s+9)-2s7+(2m+10)+(7m+8)
7(ab-9a)-(5a+2b)14(abc-7a)+9(8a-7abc)
2(xy+9z)-(-xy-6z)-6(pq+pr)+(8pq-pr)
—x+—=—0.7x+0.9=2.1-9.9x
943
81
—+2x=8+—x8(x-6)-7(x-2)=12
37
11
—(9x+6)=—x-87x-9(10-x)=-9
75
y-1y-3
——=6+——0.5x+1.5(x+5)=40
35
0.3x+0.1=4.5+8.8x2(9x-2)=12
16
(-—)-(-—)-(-4)19×
[(-1)3+(-5)]
118
—+(-—)-(-—)19+(-15)-2+(-16)
949
(-0.6)×
—×
(-3)(-3)4-13(-1)1525
018×
[(-3)3×
(-1]
397
(—+—)÷
(-—)18-(-16)+3-(-17)
754
61
(-40)(-2)3+23(-1)2777
53
(-7)-(-19)6×
(-15)7.5-(-2.5)
(-—)+(-—)-5+[-1-(-7-6)](-2)2+54
32
-34+3+(-19)+(-28)0.6-(-7.5)+(-1.5)-9.2
211173
(—-—)-(—+—)8.1-(-—)-(-5.6)-—
927555
-(8m+6)y+7(7+6c)
18m+5(5y-9z)-(2m-y)-5(3m-3c)
—(2+2y)-z-8(6c+4mn+5)
-—(x+y)-—(s+t)5(7b-x)+5(n+7p)
64
-9a-(9a-1)a+(4a+4s)+(8s-4a)
-3(9n+2)-8n7-(2n-10)-(9n-4)
8(-ab-6a)-(3a+6b)3(abc+4a)+2(3a+5abc)
9(xy-5z)+(-xy+8z)-9(pq-pr)-(3pq+pr)
5x1
—x-—=—0.5x-0.2=3.3+6.1x
643
—+7x=3-—x9(x-6)-4(x+3)=16
33
14
—(3x+7)=—x-79x+9(6+x)=-1
95
y+2y+3
——=4+——2x+3.5(x-1)=10
0.3x-0.5=0.7+5.9x7(5x+9)=8
31
(-—)-(-—)-(-8)30-[(-1)2+(-1)]
711
—+(-—)+(-—)12+(-25)+10+(-16)
687
(-0.8)÷
(-10)(-4)3+43(-1)2953
4
01×
[(-1)3×
428
131
(—+—)-(-—)15+(-17)-10-(-13)
527
11
(-100)(-5)2+33(-1)1093
27
(-4)+(-13)9+(-10)-4.5+(-14.5)
(-—)-(-—)-8-[-3-(-19+3)](-2)2-44
45
-37+20-(-7)+(-11)-6.2-(-0.7)+(-4.1)+1.3
211468
(—+—)+(—+—)7.7-(-—)-(-1.7)+—
597755
-(2b+6)z-7(9-2b)
17m+7(8y+3t)-(5m-y)-2(3b+4b)
10
—(12-4z)-t-7(7b+9bc-6)
-—(y+z)-—(e+f)5(6b-y)-2(n-6q)
47
2n-(3n-7)4n+(5n+9p)+(4p+8n)
-3(4s-2)+2s6-(5x+9)+(2x+9)
8(-ab+4a)-(3a+5b)9(abc-6a)+7(4a-9abc)
9(xy-2z)+(-xy+4z)-5(pq+pr)-(9pq+pr)
—x-—=—0.4x+0.7=1.3-6.4x
986
—+6x=6-—x8(x-5)+2(x-2)=9
13
—(8x-1)=—x+23x-4(17+x)=-9
45
y+2y-3
——=7+——2.5x-3(x-1)=5
0.7x+0.7=8.5+3.3x4(6x-4)=2
22
(-—)-(-—)-(-6)25÷
(-3)]
—+(-—)-(-—)27+(-22)+6-(-13)
649
(-0.3)÷
(-500)(-4)3-52(-1)1748
5
(-—)×
011×
[(-1)3+(-2]
845
151
(-—)26+(-16)-9+(-20)
268
15
(-20)(-4)4+23(-1)1890
64
(-7)+(-1)14-(-2)10+(-14)
(-—)19+[4+(-16-8)](-3)3+33
84
7+11+(-8)-(-12)-7.6+(-7.2)+(-4.2)+0.7
211361
(—-—)+(—-—)9.4-(-—)+(-2.9)+—
384755
-(3y-5)y-8(3+8b)
16a+9(5b+5t)-(4a-b)+9(9y-4b)
—(6+4y)+t-9(5a-4mn+9)
3
-—(b+c)-—(s+t)5(9a+y)+6(n+4p)
46
-8y+(8y+9)2y+(5y+4d)+(6d+7y)
9(3b+8)-3b5+(7b+10)-(9b-5)
5(-ab+3a)+(2a-9b)11(abc-9a)+6(5a-6abc)
4(xy-6z)-(-xy+5z)-7(pq-pr)-(5pq+pr)
—x+—=—0.5x-0.7=0.5+8x
646
—-7x=2-—x6(x-9)+3(x-8)=19
76
—(7x+8)=—x+26x-7(2+x)=-3
25
y-3y-1
——=1+——4.5x+5.5(x-1)=20
0.7x+0.1=4-5.5x5(6x-8)=16