初一数学上册有理数及其运算天天练68文档格式.docx
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79
五、计算。
513
6+—-—8×
(-11)+19×
(-11)
912
222
(-+-)÷
-(-72)×
4×
(-15)
333
417
-(—+—-—)×
1687×
[12+(-3)3]
378
4—,-1,0,3.2
-—,-14,6,7.8
3—,4.25,6,0.08
9
(1)-16与2
(2)-4.25与-1.75(3)|-6.2|与|-2.9|
(4)-—与-—(5)-1与-|-3|(6)|-91.5|与|-5.4|
97
711
7-—-—15×
(-13)-11×
(-13)
318
181
-(-66)÷
6÷
(-27)
678
147
-(—-—+—)×
2407×
[16-(-1)2]
658
-5—,4,0,-8
—,-4.5,-15,-8.1
2—,1.9,-6,0.16
(1)-20与7
(2)-3.5与0(3)|-8.3|与|-1.5|
(4)-—与-—(5)-2与-|-6|(6)|-25.4|与|-3.8|
83
71
9+—+—25×
(-3)+28×
(-3)
778
-(-96)×
(-12)
887
493
-(—+—+—)×
1606×
[10-(-1)2]
584
-3—,-4,0,4.8
—,-13,-3,9.4
-3—,1.65,-9,-0.16
(1)-18与9
(2)-2.5与2.25(3)|-6.9|与|2.4|
(4)-—与-—(5)1与-|-4|(6)|-95.2|与|-2|
39
6+—+—27×
(-11)-15×
615
143
(---)÷
-(-156)×
2×
754
134
846×
[7+(-2)2]
743
-5—,2,0,-7.2
-—,7.5,-9,9.3
7—,1.7,-7,0.24
(1)-17与-7
(2)-4.25与1.75(3)|-5.3|与|1.1|
(4)-—与-—(5)-6与-|-4|(6)|-81.4|与|-8.8|
77
9-—-—7×
(-1)+10×
(-1)
315
667
-(-114)÷
(-18)
576
916
2401×
[4-(-2)2]
865
5—,-2.5,0,-7.2
-—,16.5,-3,3.3
6
9—,3.15,5,0.16
(1)-19与4
(2)-3.5与-1.5(3)|-9.4|与|2.7|
(4)-—与-—(5)-5与-|-2|(6)|-49.1|与|-2.5|
11
6-—+—8×
(-1)+4×
915
311
-(-132)÷
18÷
(-21)
448
126
1683×
[1-(-4)2]
837
-1—,4,0,7.2
—,17,-7,-5
-8—,-1.05,2,0.56
(1)-19与8
(2)-4.75与-0.75(3)|-6.7|与|-1.3|
(4)-—与-—(5)2与-|-4|(6)|-44.3|与|-9.5|
47
57
8-—+—4×
(-11)+7×
312
711
(---)×
-(-90)×
8÷
874
161
-(—-—-—)×
2527×
[17+(-4)3]
676
-3—,4.5,0,4
—,14.5,-12,-2.8
8
-5—,-4.15,-3,-0.08
(1)-20与2
(2)-2.75与-1.5(3)|-6.9|与|-1.8|
(4)-—与-—(5)-3与-|-9|(6)|-90.5|与|-8.7|
2+—+—14×
(-14)+6×
(-14)
(-+-)×
-(-84)×
2÷
374
964×
[1-(-4)3]
483
2—,3,0,-3.2
-—,-19.5,-7,6.5
6—,-3.2,-1,-0.56
(1)-11与-1
(2)-2.5与2.25(3)|-4.6|与|-3.8|
(4)-—与-—(5)-3与-|-1|(6)|-97|与|-7.3|
713
9+—-—13×
(-11)+30×
974
-(-114)×
8×
(-6)
883
113
2562×
[4-(-3)2]
884
-2—,2,0,8
-—,-14.5,12,-8.5
-4—,-