七年级数学上册有理数的认识及运算练习题精选73Word文档格式.docx
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(-27)
864
186
-(—-—+—)×
1474×
[4+(-3)3]
377
3
1—,-1,0,-4
—,0.5,-18,2.1
4
8—,2.5,-6,-0.48
7
(1)-19与-4
(2)-3与0.5(3)|-6.1|与|2|
(4)-—与-—(5)-5与-|-7|(6)|-50.1|与|-1.3|
23
511
7-—-—12×
(-20)-3×
(-20)
918
112
(-+-)×
-(-180)×
4×
473
143
-(—-—-—)×
1403×
[4+(-2)3]
754
-3—,0.5,0,4.8
—,-20,-20,-6
4—,-4.6,-2,0.32
(1)-13与0
(2)-4.5与1.25(3)|-8.1|与|-2.1|
(4)-—与-—(5)7与-|-1|(6)|-87.4|与|-6.2|
29
57
4-—-—14×
(-14)+8×
(-14)
912
147
-(-168)×
14÷
(-15)
858
313
-(—+—+—)×
965×
[16-(-2)3]
464
4—,-4,0,-5.6
—,12,13,-8.8
-6—,3.6,6,0.64
(1)-11与0
(2)-4与0.25(3)|-8.7|与|-2.9|
(4)-—与-—(5)15与-|-7|(6)|-91.7|与|-8.8|
33
6-—+—7×
(-15)-23×
911
(-+-)÷
-(-156)÷
10×
(-12)
874
411
-(—+—-—)×
1605×
[17-(-1)3]
584
5—,-3,0,-2.4
—,23,15,5.4
-6—,-0.2,3,-0.48
(1)-20与9
(2)-5与0(3)|-5.6|与|0.3|
(4)-—与-—(5)2与-|-6|(6)|-1.4|与|-7.4|
27
71
2-—+—1×
(-3)-15×
(-3)
312
274
-(-60)×
(-24)
383
511
1925×
[18-(-3)2]
486
3—,2.5,0,-0.8
—,-14,-6,5.6
1—,-3.65,1,0.48
(1)-15与1
(2)-4与0(3)|-7.3|与|-3.5|
(4)-—与-—(5)-2与-|-8|(6)|-65.1|与|-9.3|
711
8+—-—24×
(-5)+22×
612
741
-(-78)÷
(-6)
637
311
963×
[14+(-5)3]
2
1—,-2,0,-3.2
-—,-21.5,16,3.5
-6—,3.4,-3,-0.72
(1)-18与7
(2)-2.75与2(3)|-9|与|-0.8|
(4)-—与-—(5)15与-|-2|(6)|-96.8|与|-5.5|
97
51
9-—+—1×
(-10)+17×
(-10)
615
111
(---)×
-(-126)÷
18÷
(-9)
854
1205×
[1-(-5)2]
456
4—,-4.5,0,-0.8
—,11,-14,-4.3
4—,1.35,-2,-0.72
(1)-19与-5
(2)-4.25与-1.5(3)|-6|与|-2.9|
(4)-—与-—(5)-17与-|-4|(6)|-92.9|与|-6.5|
77
111
4+—+—24×
(-8)-18×
(-8)
318
4÷
363
114
[8-(-1)2]
583
1—,-2.5,0,7.2
-—,25,-7,5
9—,3.35,2,-0.48
(1)-12与-7
(2)-3.5与-0.25(3)|-9|与|1.7|
(4)-—与-—(5)-12与-|-5|(6)|-58.1|与|-9.2|
113
4-—-—15×
(-3)-8×
811
16×
788
497
1924×
[6-(-4)3]
388
-4—,1,0,-4
—,11.5,-4,8.1
-6—,-2.9,-3,0.64
(1)-19与2
(2)-3与0.75(3)|-5.8|与|1.1|
(4)-—与-—(5)-13与-|-10|(6)|-84.2|与|-6.8|
5-—+—11×
(-12)-18×
315
115
8×
(-21)
574
2521×
[2+(-1)3]
676
4—,3.5,0,2.4
-—,-15.5,13,-7.7
5—,0.3,-10,-0.64
(1)-9与2
(2)-3.5与-1.25(3)|-7.1|与|-3|
(4)-—与-—(5)20与-|-3|(6)|-64.9|与|-6.6|
87
713
3+—+—14×
(-14)-19×
-(-120)×
6×
376
141
1059×
[15-(-5)2]
357
-4—,-4.5,0,-0.8
—,24,-11,-8.5
8
-9—,-0.05,-1,-0.8
(1)-10与-8
(2)-3与-1.25(3)|-4.9|与|3.1|
(4)-—与-—(5)-8与-|-4|(6)|-6.8|与|-6.8|
65
513
6-—+—27×
(-14)+20×
444
-(-60)÷
335
661
2808×
[3+(-4)2]
578
-2—,3.5,0,7.2
-—,-10,-2,-8
-2—,-1.9,-10,-0.16
(1)-14与0
(2)-4.5与-1.5(3)|-4.9|与|0.5|
(4)-—与-—(5)2与-|-6|(6)|-86.4|与|-0.1|
8-—-—24×
(-8)-15×
161
-(-126)×
10÷
454
1008×
[13+(-1)2]
545
-5—,-3.5,0,-8
—,-10,19,3.8
-6—,-1.6,-8,-0.32
(1)-19与-7
(2)-3.75与-1(3)|-4.7|与|-3.3|
(4)-—与-—(5)17与-|-9|(6)|-7.1|与|-2|
75
9-—-—10×
(-1)-9×
(-1)
-(-156)×
8÷
137
1287×
[12-(-3)3]
448
5—,3,0,0.8
-—,-19,3,-6.5
-1—,-4.9,0,0.24
(1)-15与5
(2)-2.5与0(3)|-7.1|与|2.4|
(4)-—与-—(5)-15与-|-9|(6)|-46.5|与|-1.6|
25
2+—-—7×
(-4)-20×
(-4)
-(-90)×
(-18)
538
3841×
[4-(-3)2]
886