初一数学上册计算题专项训练89Word文件下载.docx
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11
(—-—)×
(-20)(-3)2+53(-1)1320
23
(-8)×
(-6)0+(-3)-2-(-12.5)
11
(-—)-(-—)-9+[0+(-20+7)](-5)3-12
27
-34+20-(-8)+(-11)7.1+(-1)+(-0.1)-5
211184
(—-—)-(—-—)7.9-(-—)-(-5.5)-—
772555
-(6x+8)x+5(6+4c)
7m+9(2n-2t)-(3m+n)-5(6x-7c)
8
—(20-10x)+t-4(6b-5bc+2)
7
-—(y+z)-—(p+q)4(7a-y)-5(m+9p)
64
-2x-(7x-2)x-(5x-2s)+(2s-x)
8(2b-3)-6b6-(3x-1)+(7x-5)
3(ab+4a)-(5a+5b)2(abc-9a)+2(6a+2abc)
7(xy-9z)+(-xy-4z)-7(pq+pr)-(7pq-pr)
7x1
—x+—=—0.3x+0.9=8.9-6.4x
663
81
—-2x=6+—x9(x-3)+8(x+4)=16
57
12
—(3x-6)=—x+73x+7(4-x)=-4
55
y-2y-1
——=1+——3x-3(x-5)=35
36
0.2x-0.8=2.7+5.6x6(4x-8)=20
46
(-—)-(-—)+(-7)2+[(-3)2×
(-2)]
316
—-(-—)+(-—)1-(-22)+6-(-13)
265
(-0.3)÷
(-40)(-2)3-12(-1)1100
7
(-—)÷
024÷
[(-2)3+(-5]
228
161
(—+—)+(-—)1-(-22)-6×
(-18)
757
(—+—)×
(-20)(-4)4+32(-1)2354
76
(-20)×
(-8)5-(-16)11+(-10)
(-—)-9-[-2+(-15-8)](-4)4-33
42
-20-16-(-6)+(-4)4.7-(-9.1)-(-1)+5.1
211394
(—+—)+(—-—)7.1-(-—)-(-3.5)-—
938755
-(2m-2)z+3(2+8a)
17a+2(5y+7z)-(9a-y)+3(6m-8a)
5
—(20+2z)+z-8(3a+7ab-7)
6
-—(a+b)+—(e+f)3(9b+y)+3(n+9p)
7x+(2x-9)x+(3x+6d)-(9d-9x)
-3(4b+9)-5b2-(8b-2)-(9b+3)
7(-ab+9a)+(6a-7b)19(abc-7a)+3(5a+6abc)
4(xy-7z)-(-xy-7z)-9(pq-pr)+(6pq-pr)
5x1
—x-—=—0.1x-0.5=4.3+1.1x
329
21
—-8x=9+—x4(x+2)-9(x+4)=4
74
—(2x+1)=—x-28x-9(12-x)=-9
65
y-1y-1
——=9-——2.5x+6.5(x-2)=35
0.8x-0.8=6.1-4.4x5(8x-8)=5
33
(-—)-(-—)-(-7)13-[(-2)2-(-4)]
318
—+(-—)-(-—)26-(-18)-3-(-19)
287
(-0.2)÷
—×
(-40)(-3)3-43(-1)2538
011-[(-2)3+(-1]
564
181
(—+—)-(-—)7+(-18)+6+(-19)
872
21
(-70)(-3)3+53(-1)2161
32
(-4)×
(-8)8÷
(-9)2+(-23)
(-—)-17+[-5+(-17+3)](-1)2+12
88
-33-20+(-24)+(-24)-7.4-(-9.5)+(-0.6)-9.7
211468
(—-—)-(—-—)7.1+(-—)-(-3.2)-—
795755
-(8y-1)x-8(2-5b)
14a+7(4y+4t)-(4a+y)-6(6y-6b)
—(8-6x)+t-6(8a-4ab-5)
-—(x+y)-—(p+q)2(8a-x)+7(n-5p)
-8a+(5a-3)2a-(7a+4p)+(6p-9a)
-9(9b+4)-6b1-(7a-9)+(5a+1)
4(-ab+4a)+(9a+4b)11(abc+9a)+4(5a+6abc)
4(xy+3z)-(-xy-7z)-2(pq+pr)+(2pq+pr)
—x-—=—0.1x+0.3=1.1-0.2x
943
41
—+8x=8+—x3(x-8)-5(x+4)=19
95
13
—(7x-2)=—x+95x+8(14+x)=-5
75
y+2y-3
——=2+——3.5x-8(x+3)=50
45
0.6x-0.3=7.9-8.8x8(4x-3)=6
24
(-—)-(-—)-(-6)14÷
[(-2)2×
(-1)]
111
—-(-—)-(-—)29+(-22)+5-(-15)
785
(-0.9)×
(-1000)(-4)2-12(-1)1746
030÷
[(-4)3÷
(-1]
729
113
(—-—)+(-—)26+(-26)-1+(-12)
352
46
(-90)(-4)2+33(-1)1853
55
(-2)×
(-1)14×
(-2)-7-(-4.5)
(-—)-(-—)6-[2-(-2-8)](-3)3+22
22
-20-4+(-10)+(-10)-9-(-0.1)+(-3.7)-3.5
211116
(—-—)-(—+—)5.4+(-—)+(-6.4)-—
359755
-(6y-6)z+7(4+3c)
9x+3(6y-2c)-(8x-y)+4(7y+6c)
1
—(14+8z)+c-4(5a+8mn+6)
-—(b+c)+—(p+q)2(9a-y)+7(m-5q)
-6m-(7m-1)9m-(3m-5q)+(5q-m)
-3(3n-3)+7n2+(4b-9)-(5b+5)
3(ab-3a)-(7a+8b)8(abc+6a)-8(9a+9abc)
9(xy-4z)+(-xy-5z)-2(pq-pr)-(8pq-pr)
—x-—=—0.8x+0.8=2-6.9x
946
—+8x=6+—x7(x+8)-5(x+9)=12
38
14
—(6x+8)=—x-89x+8(19-x)=-2
y+2y+3
——=5+——2.5x+1(x-8)=50
0.9x-0.4=0.5+7.3x5(3x-3)=18
44
(-—)+(-—)-(-5)9+[(-3)3-(-1)]
—+(-—)-(-—)3+(-21)+7×
(-13)
367
(-0.2)×
(-30)(-5)2-52(-1)1404
2
(-—-—)×
05-[(-2)2+(-5]
422
(—+—)÷
(-—)16-(-20)+10-(-12)
582
(-10)(-4)2+12(-1)1966
42
(-8)9+(-17)-3-(-9.5)
(-—)19-[4-(-14+9)](-3)3-22
74
34-16+(-28)+(-30)6.3-(-4.5)+(-4.2)+2.8
211163
(—-—)-(—+—)9.8-(-—)-(-4.4)-—
576555
-(9n-4)y+7(9+5a)
7m+6(8y-5z)-(4m-y)-8(9n+8a)
—(6-8y)+z-8(7d-5ab+3)
2
-—(y+z)-—(s+t)3(8b-x)+5(n-3p)
35
3x+(4x-1)x+(3x-2c)+(5c+2x)
6(5b+1)+6b8-(3n-10)+(8n+5)
6(-ab-2a)+(8a+4b)7(abc+6a)-8(7a-3abc)
9(xy-9z)+(-xy+3z)-8(pq+pr)-(4pq+pr)
—x+—=—0.5x+0.2=6.5+4.5x
383
—-5x=9-—x5(x-1)+7(x+7)=12
99
11
—(3x+5)=—x-63x-4(6-x)=-2
85
y+2y+2
——=9+——5x+8(x+8)=30
0.8x+0.7=8.5+3.1x4(6x+1)=9