初一数学上册有理数及其运算天天练81Word格式文档下载.docx
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6-—-—24×
(-8)-8×
(-8)
618
117
(---)÷
-(-180)×
6÷
(-21)
346
118
-(—-—+—)×
3922×
[11+(-1)3]
877
-2—,1.5,0,-4.8
-—,2.5,-16,1.8
4
-2—,3.2,6,0.72
(1)-11与6
(2)-4.5与-1.5(3)|-4.1|与|1.5|
(4)-—与-—(5)17与-|-1|(6)|-78.4|与|-5.2|
59
51
2-—-—28×
(-8)-5×
615
341
(-+-)÷
-(-120)÷
4×
(-27)
433
357
-(—-—-—)×
1445×
[11+(-4)3]
466
2—,-1,0,-3.2
-—,-24,17,4.3
-9—,-2.15,9,0.32
9
(1)-20与-5
(2)-4与-1(3)|-8.6|与|2.8|
(4)-—与-—(5)9与-|-6|(6)|-59.8|与|-7.1|
69
4-—-—21×
(-12)+24×
(-12)
315
144
-(-138)÷
10÷
(-18)
733
111
-(—+—+—)×
606×
[17+(-5)3]
453
3
-2—,-4.5,0,6.4
-—,-2,0,7.5
-1—,-4.95,-4,0.24
(1)-9与10
(2)-3.25与0.75(3)|-6|与|1.1|
(4)-—与-—(5)19与-|-7|(6)|-91.5|与|-0.5|
513
3+—+—11×
(-1)+7×
(-1)
161
(---)×
12×
658
629
1205×
[7-(-2)3]
538
4—,-4.5,0,-3.2
-—,17.5,1,4.9
-8—,4.85,6,0.16
(1)-15与5
(2)-3与1.75(3)|-8.3|与|3.7|
(4)-—与-—(5)-17与-|-8|(6)|-81.5|与|-6.2|
89
113
9+—+—20×
(-13)+19×
(-13)
612
174
-(-84)÷
8÷
(-3)
663
171
5128×
[1-(-4)2]
888
-4—,-5,0,-4.8
—,-22.5,-6,6.4
7—,3.9,-1,0.24
(1)-9与-7
(2)-2.75与1(3)|-6.7|与|-2|
(4)-—与-—(5)11与-|-6|(6)|-31.4|与|-2.6|
93
3+—-—13×
(-12)-1×
751
-(-126)×
16×
845
154
727×
[7-(-4)2]
643
2—,-5,0,-3.2
-—,-5,-11,-6
6—,-1.65,-1,-0.8
(1)-13与7
(2)-3.25与2.25(3)|-8.5|与|1.4|
(4)-—与-—(5)16与-|-9|(6)|-81.2|与|-3.2|
713
7-—+—5×
(-3)+3×
318
113
-(-174)÷
8×
(-15)
764
415
2405×
[8+(-5)3]
586
2—,-2.5,0,1.6
-—,20,-10,9.9
7—,1.75,-10,-0.8
(1)-13与6
(2)-2.25与0(3)|-8.4|与|-3.5|
(4)-—与-—(5)12与-|-10|(6)|-76.9|与|-4.5|
3+—-—2×
(-15)-2×
854
(-9)
743
191
3846×
[5-(-4)2]
886
-2—,-1.5,0,-1.6
—,11.5,1,5.1
-2—,-4,-8,0.48
(1)-10与5
(2)-2.25与1(3)|-8.3|与|2.9|
(4)-—与-—(5)19与-|-4|(6)|-7.2|与|-1.2|
53
(-5)-21×
(-5)
312
981
-(-72)÷
14×
148
2456×
[19+(-5)2]
757
2—,-2,0,-2.4
-—,18,12,2.2
-6—,-1.3,6,-0.48
(1)-10与-1
(2)-4与1.75(3)|-9.5|与|2.4|
(4)-—与-—(5)-13与-|-8|(6)|-23|与|-0.2|
95
57
8-—+—11×
(-18)-7×
918
571
-(-114)÷
488
684
2455×
[1+(-3)2]
775