七年级数学上册有理数的认识及运算练习题精选74文档格式.docx
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5、计算。
513
5-—-—11×
(-2)+25×
(-2)
918
843
(---)÷
-(-126)÷
8×
(-6)
734
515
-(—-—+—)×
641×
[16+(-3)2]
444
3
5—,2.5,0,4.8
-—,-21.5,-11,7.1
5—,2.5,8,0.32
(1)-12与4
(2)-4.5与-1(3)|-7.6|与|3.2|
(4)-—与-—(5)16与-|-6|(6)|-17.3|与|-0.6|
69
77
5-—+—15×
(-19)-29×
(-19)
312
113
-(-120)÷
18×
(-24)
844
451
1501×
[20-(-5)3]
565
-4—,3.5,0,-6.4
-—,-6.5,-1,7.1
7
-9—,3.5,9,-0.8
(1)-12与-8
(2)-2.25与1.5(3)|-9.8|与|3.7|
(4)-—与-—(5)1与-|-4|(6)|-91|与|-1|
37
113
3+—+—1×
(-10)-22×
(-10)
711
(-+-)×
10÷
653
516
-(—+—+—)×
1009×
[15-(-1)2]
455
5—,4.5,0,-1.6
—,2,5,9.6
4
2—,-4.8,0,0.24
(1)-10与-4
(2)-2.75与2.25(3)|-4.3|与|-0.1|
(4)-—与-—(5)17与-|-6|(6)|-67.4|与|-3.4|
95
711
8+—+—30×
(-18)+21×
(-18)
315
143
-(-78)×
12÷
(-12)
354
421
904×
[4+(-4)3]
536
3—,-1.5,0,-4.8
-—,16,-18,6.7
9—,4.95,3,-0.56
(1)-15与6
(2)-3与0.75(3)|-9.2|与|-2.5|
(4)-—与-—(5)-8与-|-9|(6)|-61|与|-4.4|
49
9+—+—7×
(-18)+15×
775
-(-78)÷
864
413
-(—+—-—)×
607×
[6-(-3)2]
534
-4—,0.5,0,1.6
—,12.5,-11,3.1
-6—,1.5,-2,-0.56
(1)-17与-2
(2)-2.75与2.5(3)|-5.6|与|-0.9|
(4)-—与-—(5)10与-|-4|(6)|-57.5|与|-7.7|
511
1+—+—19×
(-12)+5×
618
116
-(-102)×
12×
345
719
5127×
[10-(-5)2]
888
1—,2,0,3.2
-—,17.5,-14,5.8
-4—,-4.6,-7,0.08
(1)-18与-5
(2)-4.25与-2(3)|-9.7|与|1.1|
(4)-—与-—(5)4与-|-5|(6)|-49.7|与|-2.8|
55
11
9-—+—7×
(-16)-18×
(-16)
615
562
-(-132)×
513
1926×
[8+(-2)2]
684
-3—,2,0,6.4
-—,-18.5,9,7.8
-9—,-0.8,-1,-0.32
(1)-13与0
(2)-2.5与0.75(3)|-6.5|与|-1.1|
(4)-—与-—(5)7与-|-1|(6)|-45.9|与|-6.1|
5+—-—16×
(-6)+4×
915
211
(---)×
-(-66)÷
4×
(-3)
375
634×
[6-(-1)3]
337
4—,-4.5,0,1.6
—,16.5,-17,-0.5
-3—,-2.9,9,0.08
(1)-14与10
(2)-2.5与0(3)|-9|与|0|
(4)-—与-—(5)-17与-|-5|(6)|-71.2|与|-6.4|
93
(-16)+3×
114
-(-108)÷
333
124
633×
[10-(-3)2]
733
1—,4,0,0.8
-—,-8,1,0.4
-1—,3.3,-6,-0.16
7