初一数学上册有理数及其运算天天练20Word下载.docx
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7-—+—16×
(-15)-1×
(-15)
615
377
(-+-)÷
-(-108)÷
14÷
(-18)
486
369
-(—-—-—)×
1608×
[18-(-2)2]
458
3
3—,-1,0,-2.4
-—,13.5,-3,-3.2
6
-3—,4.75,2,-0.64
(1)-17与-2
(2)-3.75与1.75(3)|-6|与|3.5|
(4)-—与-—(5)-10与-|-7|(6)|-16.3|与|-0.1|
77
6-—+—21×
(-8)+24×
(-8)
912
721
(---)×
-(-144)×
16÷
(-12)
836
141
-(—+—-—)×
549×
[19+(-5)2]
633
-5—,-4,0,4.8
-—,5.5,6,1.9
-2—,2.5,4,0.4
9
(1)-16与1
(2)-2.25与1.75(3)|-9.4|与|1.8|
(4)-—与-—(5)9与-|-6|(6)|-12.6|与|-3.4|
63
8+—-—28×
(-1)-14×
(-1)
312
271
-(-84)×
(-3)
386
116
2105×
[7+(-2)2]
765
-1—,5,0,-7.2
-—,9.5,-18,-5.8
8
-4—,4.1,1,-0.64
(1)-20与10
(2)-3.5与1.75(3)|-6.6|与|-3.7|
(4)-—与-—(5)-6与-|-7|(6)|-28.6|与|-1.3|
37
57
8+—-—19×
(-8)-11×
611
-(-132)×
12÷
758
773
1441×
[15-(-4)3]
664
4
-3—,-3.5,0,4
—,13,15,3.7
-5—,3.75,9,-0.08
(1)-12与-1
(2)-2.25与-1.75(3)|-4.2|与|2.7|
(4)-—与-—(5)-2与-|-4|(6)|-89.6|与|-0.6|
45
113
1-—-—28×
(-17)+24×
(-17)
618
115
-(-114)÷
(-21)
746
185
2525×
[20+(-4)3]
676
3—,1.5,0,-3.2
-—,-21.5,-18,-2
-6—,3.15,-2,-0.32
(1)-19与-5
(2)-5与0.75(3)|-6.9|与|0.7|
(4)-—与-—(5)5与-|-3|(6)|-53.1|与|-9.8|
69
3+—+—25×
(-3)+27×
874
(-+-)×
-(-168)×
8÷
763
539
1286×
[17+(-5)3]
448
-1—,0.5,0,2.4
—,19.5,13,2.7
1—,-4.35,-3,0.8
(1)-18与1
(2)-3与1.75(3)|-9.5|与|0.3|
(4)-—与-—(5)-19与-|-7|(6)|-89.6|与|-1.7|
65
513
4-—-—11×
(-15)+4×
915
764
-(-102)×
(-24)
875
111
1925×
[4-(-1)3]
883
1—,-5,0,2.4
—,-24.5,10,-3.1
1—,0.8,8,-0.24
(1)-14与8
(2)-5与1.25(3)|-8.8|与|-1.5|
(4)-—与-—(5)17与-|-8|(6)|-44.5|与|-2.6|
59
9+—-—24×
(-6)+26×
(-6)
162
-(-90)×
10÷
653
119
-(—-—+—)×
1689×
[7-(-1)3]
738
-5—,3.5,0,-6.4
—,18.5,0,-9.6
7—,4.4,-6,-0.48
(1)-13与-8
(2)-3与2.5(3)|-8.8|与|2.9|
(4)-—与-—(5)-18与-|-2|(6)|-28.2|与|-2.8|
29
3-—+—27×
151
-(-72)÷
648
184
1478×
[19-(-3)2]
3—,-5,0,-5.6
—,-11.5,-19,-7.6
4—,-2.95,7,0.48
(1)-11与-8
(2)-2.25与1.5(3)|-7|与|3.3|
(4)-—与-—(5)-6与-|-10|(6)|-20.8|与|-1.3|
53
11
4-—+—6×
(-18)+18×
177
-(-144)÷
866
2886×
[3+(-2)3]