人教版初一数学上册计算能力专项训练64Word文档格式.docx
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7+—+—8×
(-19)+28×
(-19)
618
411
(-+-)×
-(-144)÷
16×
(-27)
537
163
-(—-—-—)×
845×
[16+(-3)3]
374
6、合并同类项。
9m+(3m-3)m-(3m+5z)-(2z-6m)
4(9n-8)+4n6+(7b-2)+(8b+6)
7(ab-3a)+(8a+9b)9(abc-8a)-5(3a+5abc)
8(xy+6z)-(-xy+8z)-7(pq-pr)+(9pq-pr)
7、解方程。
5x1
—x-—=—0.1x+0.7=7.5+5.5x
369
21
—+2x=9-—x9(x+7)-3(x-8)=6
38
11
—(7x-2)=—x-45x-2(7+x)=-3
35
y-1y+2
——=9-——4.5x-2.5(x+2)=5
25
12
—(5-3x)=—(4x-2)2(8x-4)=5
95
3
4—,-4,0,-0.8
-—,-11,-13,-9.9
2
6—,1.35,5,-0.64
9
(1)-10与1
(2)-4.5与1.25(3)|-8.7|与|-2.2|
(4)-—与-—(5)-19与-|-4|(6)|-36.8|与|-2.4|
53
513
9+—+—18×
(-18)-2×
(-18)
649
-(-138)÷
10÷
(-6)
738
-(—-—+—)×
604×
[17+(-3)3]
354
-7b-(4b+5)b-(8b-6c)-(6c-5b)
4(3n+5)-8n6+(5y-7)+(7y-9)
5(-ab+4a)-(7a-3b)15(abc-7a)+8(3a-9abc)
4(xy+4z)-(-xy-8z)-9(pq-pr)+(9pq-pr)
—x+—=—0.9x+0.2=6.3+6.2x
366
81
—-5x=7+—x2(x-1)-5(x-1)=15
—(8x-8)=—x-54x+6(17-x)=-5
45
y+2y+3
——=6-——5x-10(x+2)=50
46
—(2-2x)=—(3x+5)2(7x-4)=17
83
-3—,-2.5,0,-7.2
-—,10.5,1,-9
6
-2—,2.5,-3,0.64
(1)-16与4
(2)-5与-1(3)|-5|与|1.7|
(4)-—与-—(5)13与-|-4|(6)|-86.7|与|-7.3|
93
713
8+—+—21×
(-4)+1×
(-4)
312
484
(-+-)÷
-(-174)×
4×
(-24)
373
249
1203×
[5+(-2)2]
358
2a+(8a-3)a+(6a+6s)+(4s+a)
-3(6t-3)-3t7+(7a+10)-(7a+6)
3(ab+4a)+(7a-4b)17(abc+3a)-2(9a-7abc)
4(xy-6z)-(-xy-2z)-7(pq+pr)-(9pq+pr)
7x1
—x-—=—0.9x-0.9=8.1-4.1x
329
—-7x=7+—x4(x+9)-4(x+1)=19
99
—(8x+6)=—x-83x+7(11-x)=-5
——=6-——4x-8.5(x-1)=40
45
—(1-4x)=—(5x+2)6(9x+3)=12
-4—,-2.5,0,-6.4
-—,-14,-20,2.1
-3—,2.15,0,-0.4
(1)-13与-4
(2)-2.5与0.25(3)|-4.4|与|2.4|
(4)-—与-—(5)14与-|-2|(6)|-56.7|与|-3.5|
69
6-—+—6×
(-20)+23×
(-20)
713
(---)÷
-(-162)×
10×
654
141
809×
[2+(-1)3]
454
-4y-(5y+2)y-(6y-2p)-(3p+9y)
7(5b+8)+6b7+(6n+6)-(2n+6)
3(ab+4a)+(2a-5b)6(abc+7a)+4(8a-7abc)
4(xy+4z)-(-xy+4z)-7(pq-pr)-(3pq-pr)
—x+—=—0.8x+0.1=4.2-8.3x
669
—+4x=5+—x5(x+7)+8(x-6)=16
—(2x-6)=—x+26x+7(20-x)=-3
y+2y-2
——=3+——3.5x-6(x-8)=40
35
—(3+4x)=—(5x-4)3(8x+7)=11
67
-3—,-3.5,0,2.4
—,-6,9,4.8
-9—,-3.2,-2,-0.56
(1)-19与0
(2)-4.75与1.5(3)|-5.2|与|3.7|
(4)-—与-—(5)-9与-|-1|(6)|-59.8|与|-8.3|
33
17
8-—-—23×
(-5)+14×
(-5)
318
451
-(-168)÷
4÷
365
153
-(—+—+—)×
728×
[2+(-4)2]
364
7x-(4x+6)x-(9x+3s)+(5s-8x)
-3(5a-6)-6a3+(9y+2)+(8y+2)
9(-ab-9a)-(5a-3b)12(abc-3a)-5(5a+3abc)
4(xy-2z)-(-xy+9z)-6(pq-pr)+(9pq+pr)
—x+—=—0.7x+0.6=1.9+4.4x
—+2x=7-—x2(x-6)+6(x+6)=13
72
14
—(5x-7)=—x-33x-7(13-x)=-5
65
y-3y+2
——=7+——5x-5(x+1)=50
26
—(4+3x)=—(2x-4)4(2x-1)=5