人教版七年级数学上册有理数及其计算天天练39Word文件下载.docx
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3-—-—21×
(-1)-23×
(-1)
618
119
(---)×
-(-180)÷
6÷
(-27)
438
116
-(—+—-—)×
1263×
[14+(-2)2]
637
-5—,0.5,0,-2.4
—,2,9,-1.7
2
-5—,3.45,-6,0.64
7
(1)-19与6
(2)-4.75与2.25(3)|-9.5|与|2.1|
(4)-—与-—(5)11与-|-6|(6)|-30.7|与|-9.8|
75
71
5-—-—12×
(-8)+15×
(-8)
318
371
(-+-)×
-(-72)÷
8×
467
111
1801×
[13+(-3)2]
656
-1—,-4,0,3.2
—,18.5,18,1.3
6
-7—,0.15,-7,0.32
(1)-17与-3
(2)-5与1.5(3)|-5.9|与|2.2|
(4)-—与-—(5)9与-|-3|(6)|-44.7|与|-6|
59
713
9+—+—23×
(-18)-12×
(-18)
915
194
(---)÷
-(-78)×
14÷
(-21)
883
115
1685×
[18-(-1)2]
746
5—,-1.5,0,-7.2
—,21,0,8.5
-2—,4.9,-2,0.16
(1)-12与3
(2)-2.25与1.25(3)|-4|与|3.8|
(4)-—与-—(5)0与-|-5|(6)|-67.8|与|-0.8|
35
6-—+—9×
(-15)+1×
(-15)
918
174
(-+-)÷
-(-156)×
463
457×
[2+(-5)2]
335
5—,5,0,3.2
—,4,0,4.3
4
-3—,1.65,-6,0.32
(1)-15与-7
(2)-4.75与-1.25(3)|-8.9|与|-0.2|
(4)-—与-—(5)-16与-|-7|(6)|-48.6|与|-1.4|
47
511
5-—+—17×
(-4)-23×
(-4)
615
162
-(-180)×
10×
753
411
-(—-—-—)×
842×
[6-(-2)2]
347
-2—,-5,0,-5.6
—,-18.5,16,-6.5
-1—,4.3,-4,0.4
(1)-20与-2
(2)-5与0.75(3)|-3.9|与|-1.4|
(4)-—与-—(5)-14与-|-6|(6)|-8|与|-8.6|
39
7-—+—2×
(-15)+8×
312
714
-(-132)×
12÷
(-24)
655
118
2245×
[19-(-4)3]
487
2—,1,0,-7.2
—,22.5,-16,-6.8
9—,3.1,1,-0.56
(1)-12与-1
(2)-2.5与-2(3)|-4|与|-1.9|
(4)-—与-—(5)-15与-|-7|(6)|-68.5|与|-9.1|
51
8-—+—13×
(-11)+20×
(-11)
912
-(-138)÷
(-6)
515
-(—-—+—)×
1448×
[12-(-3)3]
646
1—,1.5,0,1.6
-—,-19.5,17,3.1
8
-6—,3.95,10,-0.4
(1)-12与-1
(2)-5与-1.75(3)|-5.4|与|-3.7|
(4)-—与-—(5)10与-|-9|(6)|-86.1|与|-8.3|
27
57
1+—-—17×
(-8)+9×
156
-(-162)×
765
414
276×
[20+(-5)3]
333
3—,2.5,0,-4.8
-—,-7.5,-16,-4.3
9—,-4.8,-1,0.8
(1)-9与-5
(2)-4.5与2.5(3)|-8.2|与|1.5|
(4)-—与-—(5)2与-|-10|(6)|-22|与|-4.4|
69
9+—+—19×
(-9)-25×
(-9)
612
556
-(-96)×
445
725×
[13-(-3)3]
436
4—,4,0,4
—,-21.5,-14,6.4
2—,1.65,-10,0.08
(1)-14与-3
(2)-2.75与-2(3)|-8.5|与|2.6|
(4)-—与-—(5)-5与-|-5|(6)|-94|与|-5.2|
1+—+—14×
(-7)-20×
(-7)
315
114
-(-60)×
18÷
785
1209×
[10+(-4)2]
583