七年级数学上册有理数的认识及运算练习题精选58Word格式文档下载.docx
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(-24)
465
831
-(—+—+—)×
1969×
[20+(-3)2]
747
-5—,-3,0,-0.8
—,7,-17,-1.7
7
1—,2.2,-5,-0.8
(1)-18与5
(2)-2.25与2.25(3)|-7.5|与|-3.5|
(4)-—与-—(5)7与-|-9|(6)|-38.7|与|-5.2|
63
113
7-—+—16×
(-9)-18×
(-9)
618
417
(---)÷
-(-66)×
18÷
(-6)
578
115
901×
[7-(-1)2]
536
4
-1—,-4,0,-6.4
—,-8.5,16,0.6
8
2—,1.45,-8,-0.64
(1)-11与-2
(2)-3.25与-1.25(3)|-6.9|与|2.7|
(4)-—与-—(5)-12与-|-10|(6)|-59.3|与|-9.3|
35
71
7-—-—22×
(-6)-18×
312
636
(-+-)×
-(-156)÷
14×
(-15)
745
414
274×
[20+(-1)2]
333
3—,4,0,6.4
-—,11.5,19,9.1
6
7—,-1.85,-4,-0.24
(1)-14与3
(2)-5与2.5(3)|-7.7|与|-2.4|
(4)-—与-—(5)-20与-|-3|(6)|-12.1|与|-4.9|
39
511
1+—-—28×
(-17)-7×
(-17)
912
119
-(-60)÷
878
563
1204×
[5+(-4)2]
654
3
1—,4,0,-2.4
—,25,-9,-4.8
-7—,0.65,3,0.48
(1)-13与-2
(2)-2.25与-0.75(3)|-5.8|与|2.4|
(4)-—与-—(5)-7与-|-4|(6)|-83.2|与|-7.3|
95
51
4-—+—27×
(-15)-8×
318
114
-(-72)÷
14÷
533
786
-(—-—+—)×
2808×
[9+(-2)2]
875
-1—,-0.5,0,1.6
—,13,4,3.2
-6—,2.25,-1,0.24
(1)-12与6
(2)-5与1.75(3)|-8.5|与|-3.4|
(4)-—与-—(5)-8与-|-3|(6)|-65.4|与|-5.5|
83
11
8+—+—10×
(-17)-11×
612
464
-(-126)×
2×
555
564
1005×
[12-(-1)2]
455
-3—,2,0,4.8
-—,-21.5,-12,-6.7
7—,-2.75,3,0.08
(1)-15与4
(2)-2.5与-0.25(3)|-7.5|与|2.1|
(4)-—与-—(5)15与-|-3|(6)|-0.7|与|-3.2|
47
513
6-—-—30×
(-1)-1×
121
-(-168)×
2÷
(-3)
335
214
-(—-—-—)×
455×
[8+(-1)2]
-5—,1.5,0,7.2
-—,-12,-17,4.3
2—,3.85,-1,-0.8
(1)-13与1
(2)-3.5与-1.25(3)|-9.6|与|2|
(4)-—与-—(5)11与-|-7|(6)|-34.7|与|-8.9|
69
4-—+—3×
(-9)-21×
915
316
-(-144)×
6÷
437
116
[7+(-1)3]
587
4—,1,0,-4
—,-1.5,-1,-3.8
8—,-3.8,5,0.24
(1)-20与-6
(2)-4.75与0.75(3)|-4.1|与|2.4|
(4)-—与-—(5)4与-|-7|(6)|-89.7|与|-8.7|
77
3-—-—8×
(-9)+16×
841
(-+-)÷
-(-156)×
8÷
(-12)
758
117
724×
[17-(-1)3]
436
4—,5,0,0.8
—,11.5,6,-1.5
1—,0.2,9,0.16
(1)-13与5
(2)-4.5与-1.25(3)|-9.6|与|2|
(4)-—与-—(5)-6与-|-5|(6)|-50.9|与|-3.5|
55
4-—-—2×
(-20)-11×
(-20)
315
416
-(-126)÷
16×
585
261
1269×
[3+(-3)2]
376
-3—,-3.5,0,5.6
—,-24.5,1,-5.1
7—,1.7,1,-0.16
(1)-14与-5
(2)-3.25与0.75(3)|-5.4|与|0.1|
(4)-—与-—(5)20与-|-8|(6)|-18.1|与|-5.6|
57
6+—-—19×
(-3)-21×
613
(-21)
784
721
-(—+—-—)×
1264×
[14+(-4)3]
637
4—,-3.5,0,-6.4
—,-14.5,19,-5.2
2—,-4.95,-5,0.8
(1)-16与-8
(2)-2.5与-0.25(3)|-4.6|与|3.8|
(4)-—与-—(5)-12与-|-3|(6)|-66.6|与|-9.5|
97
8-—-—9×
(-4)+24×
(-4)
811
-(-90)×
18×
767
1443×
386
4—,3.5,0,4.8
—,-4.5,3,-1.4
2—,-2.5,4,0.72
(1)-19与-1
(2)-3与2.5(3)|-7.4|与|-1.5|
(4)-—与-—(5)-15与-|-9|(6)|-86.9|与|-5.9|
17
7-—-—7×
(-5)+1×
(-5)
-(-114)÷
16÷
118
1965×
[18-(-1)3]
-4—,1,0,-4
-—,0.5,15,0.7
4—,-2.35,4,0.56
(1)-20与0
(2)-4.5与2.25(3)|-9.9|与|2.6|
(4)-—与-—(5)17与-|-5|(6)|-1|与|-7|
53
9-—+—1×
517
-(-84)×
456
711
2809×
[5-(-2)2]
857
-2—,-5,0,8
—,21.5,5,5
-2—,-3.3,-3,0.48
(1)-19与-6
(2)-5与-0.75(3)|-8.7|与|0.6|
(4)-—与-—(5)-19与-|-6|(6)|-64.8|与|-3.7|
79
7+—+—4×
(-7)-12×
(-7)
311
567
3361×
[3-(-3)2]
678