人教版七年级数学上册有理数及其计算天天练146文档格式.docx
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(-8)-21×
(-8)
318
212
(---)÷
-(-168)÷
8×
(-27)
343
155
-(—-—+—)×
1441×
[19-(-5)2]
664
2
4—,-0.5,0,4
-—,22,5,-7.8
7
3—,-2.2,-6,0.8
(1)-20与4
(2)-2.75与0(3)|-6.8|与|-1.5|
(4)-—与-—(5)9与-|-5|(6)|-79.3|与|-4.6|
93
111
6-—+—18×
(-2)-18×
(-2)
312
414
(-+-)×
-(-96)×
4÷
(-3)
573
692
-(—+—+—)×
1688×
[17-(-2)2]
783
-4—,-2,0,2.4
-—,-20,6,7.8
6
5—,3.2,-9,-0.24
(1)-19与2
(2)-3.75与0.5(3)|-7.9|与|3.6|
(4)-—与-—(5)-20与-|-6|(6)|-99.9|与|-0.1|
95
11
9+—+—13×
(-17)-12×
(-17)
915
211
-(-72)×
18×
(-12)
378
612
-(—-—-—)×
1473×
[14-(-3)3]
773
4
2—,1,0,2.4
—,-23,-6,6.5
8—,-4.95,9,0.64
(1)-16与-7
(2)-3.5与0.5(3)|-5.5|与|-2.5|
(4)-—与-—(5)-13与-|-9|(6)|-50.4|与|-4.1|
17
8-—+—25×
(-20)+21×
(-20)
911
(-+-)÷
-(-78)÷
8÷
875
517
-(—+—-—)×
1924×
[10-(-2)3]
468
-3—,-3,0,7.2
—,-14.5,20,-0.7
-6—,4.25,9,0.24
(1)-16与-6
(2)-3.5与-0.75(3)|-3.9|与|2.2|
(4)-—与-—(5)-9与-|-1|(6)|-55.2|与|-0.2|
75
1+—-—16×
(-10)+25×
(-10)
921
-(-138)÷
6×
(-15)
834
782
1682×
[11-(-4)2]
873
4—,-2.5,0,8
-—,12,19,8.2
8—,-1.55,-4,0.56
(1)-15与8
(2)-3.75与-0.5(3)|-8.1|与|3|
(4)-—与-—(5)-10与-|-6|(6)|-67.2|与|-2.7|
99
513
8+—-—22×
(-1)+6×
(-1)
912
111
-(-144)×
16×
(-21)
766
2408×
[14+(-4)2]
856
4—,1.5,0,-2.4
-—,17.5,-1,-6.6
8—,-1.95,-1,0.56
(1)-13与-6
(2)-4与2.25(3)|-9.7|与|-2|
(4)-—与-—(5)8与-|-6|(6)|-55.5|与|-2.1|
39
51
1+—+—22×
(-1)-28×
618
711
-(-90)÷
6÷
(-6)
844
289
1686×
[7+(-5)3]
-1—,-5,0,4
—,-12.5,-9,7.7
-7—,4.4,-4,-0.08
(1)-16与-8
(2)-3.75与-1(3)|-5.5|与|3.1|
(4)-—与-—(5)1与-|-6|(6)|-9.8|与|-1.4|
35
4+—-—14×
(-15)+2×
146
-(-114)÷
(-24)
857
417
729×
[6-(-1)2]
338
3
-5—,-2.5,0,1.6
—,-6.5,-18,-2.2
-5—,-0.1,-10,0.16
(1)-17与8
(2)-3与1.25(3)|-6|与|2.4|
(4)-—与-—(5)13与-|-1|(6)|-23.8|与|-8.8|
65
2+—+—27×
(-16)+22×
(-16)
142
-(-60)×
2÷
633
411
1206×
[11-(-4)3]
358
5—,1,0,4.8
—,6.5,-9,-1.4
-3—,4.65,-1,-0