七年级数学上册精品天天练22Word下载.docx
《七年级数学上册精品天天练22Word下载.docx》由会员分享,可在线阅读,更多相关《七年级数学上册精品天天练22Word下载.docx(12页珍藏版)》请在冰豆网上搜索。
![七年级数学上册精品天天练22Word下载.docx](https://file1.bdocx.com/fileroot1/2022-10/19/465a5eee-d18e-4ac5-ba26-b940fd36b718/465a5eee-d18e-4ac5-ba26-b940fd36b7181.gif)
5、计算。
51
8+—-—27×
(-13)-26×
(-13)
615
517
(-+-)÷
-(-66)÷
4×
(-18)
636
175
-(—-—-—)×
2406×
[7-(-2)3]
586
6、合并同类项。
-8n+(2n-1)n+(6n-8q)+(8q+n)
-9(7b+10)-2b9-(2b+7)-(2b+5)
6(-ab-7a)+(9a-4b)5(abc+9a)+3(4a-8abc)
3(xy-2z)+(-xy-9z)-8(pq-pr)-(8pq-pr)
7、解方程。
5x1
—x+—=—0.8x+0.4=9.6-4.2x
926
41
—+2x=6-—x5(x+4)+3(x+7)=7
37
14
—(6x-7)=—x-33x+2(16+x)=-6
95
y+3y-2
——=3+——3.5x+9(x-2)=10
25
12
—(3-2x)=—(5x+4)6(3x-3)=6
83
3—,-3.5,0,1.6
—,-11.5,6,0.2
2
4—,4.45,9,0.48
7
(1)-10与-2
(2)-2.75与0.5(3)|-7.7|与|-0.4|
(4)-—与-—(5)-17与-|-10|(6)|-16.9|与|-2.8|
65
77
5+—-—15×
(-18)-4×
915
311
(---)÷
-(-156)×
18÷
(-12)
454
1923×
[10+(-3)2]
684
-2b-(2b-4)b+(7b-4s)+(4s+b)
-6(3a-10)-3a8-(6b-4)+(4b+1)
2(ab+9a)-(7a-2b)4(abc-6a)+6(4a-7abc)
8(xy+4z)+(-xy-7z)-2(pq-pr)+(2pq+pr)
7x1
—x-—=—0.6x+0.3=7.9-8.9x
986
—+7x=2-—x8(x-8)+7(x-3)=11
11
—(4x+3)=—x+52x+5(14+x)=-7
25
y-2y+3
——=9+——4x+3.5(x-1)=25
46
—(5-2x)=—(2x-2)4(9x+7)=10
75
-1—,2,0,-6.4
—,-22,-13,-6.1
6
5—,2.9,-9,-0.48
(1)-12与1
(2)-4.5与1(3)|-9.7|与|-2.4|
(4)-—与-—(5)-16与-|-8|(6)|-80|与|-2.4|
49
11
8-—-—7×
(-15)-16×
(-15)
318
731
-(-90)÷
18×
(-6)
844
111
-(—+—+—)×
1284×
[10-(-4)3]
448
-8m-(6m-5)4m-(2m+4d)+(8d-3m)
9(5a-8)+8a9+(4n-10)+(2n+1)
3(ab-6a)-(2a-4b)10(abc-5a)-3(2a+9abc)
7(xy-2z)-(-xy+8z)-3(pq-pr)+(5pq+pr)
—x+—=—0.5x+0.6=8-6.8x
943
—-4x=3+—x3(x+3)+8(x-2)=16
97
—(9x+9)=—x-55x+6(5+x)=-9
85
y+1y+3
——=3-——4x-1(x-5)=10
—(5-4x)=—(5x-3)4(7x+8)=11
43
-5—,-3,0,-4
-—,13,17,1.3
8
-8—,-2.25,6,0.16
(1)-13与-7
(2)-4与-0.75(3)|-6.6|与|3.6|
(4)-—与-—(5)18与-|-4|(6)|-26.3|与|-8.7|
99
2+—-—6×
(-11)-17×
(-11)
315
617
-(-126)÷
(-27)
568
247
1203×
[3+(-1)3]
358
-9a+(3a+8)3a-(8a+3c)+(5c-4a)
5(8a-8)+7a3-(9m-10)+(2m+6)
6(-ab-9a)-(2a-6b)15(abc-9a)-2(6a+7abc)
2(xy+9z)-(-xy+8z)-2(pq-pr)-(3pq+pr)
—x-—=—0.4x-0.3=8.7-7.8x
626
—+8x=7-—x3(x+1)+6(x-4)=6
98
—(5x+6)=—x-64x-7(7+x)=-5
55
y-1y+1
——=2+——4.5x+3(x-7)=15
—(2+3x)=—(2x+5)9(7x-7)=5
27
-4—,-1,0,5.6
—,9,-16,0.5
7—,1.85,0,-0.32
(1)-13与10
(2)-2.75与2.5(3)|-6.4|与|0.9|
(4)-—与-—(5)19与-|-5|(6)|-68.4|与|-5.3|
33
71
6-—-—1×
(-3)+9×
(-3)
912
711
(-+-)×
-(-102)×
(-9)
883
148
2808×
[10-(-2)3]
857
7y+(6y-6)6y+(9y+2d)+(6d-y)
4(3s-7)-8s9+(3n-9)+(8n-6)
4(-ab+2a)+(7