C.18=×14 D.18x=14(25 -) 查看更多

 

題目列表(包括答案和解析)

(1)(-100)+100
(2)(-35)+0
(3)(-0.5)+4.4
(4)(-16)+(-8)
(5)(-4.2)+4.25
(6)0-(+52)
(7)(-14)-(-15)
(8)(-1.24)-(+4.76)
(9)(-6)×0
(10)(-0.5)×(-8)
(11)(
1
4
-
1
2
+
1
6
)×12

(12)100×(-1)×(-0.1)
(13)(-
1
2
)-(-3
1
4
)+(+2
3
4
)-(+5
1
2
)

(14)|-2
1
4
|-(-
3
4
)+1-|1-
1
2
|

(15)1-(-1)(-1)-(-1)×0
(16)-4.2+5.7-7.6+10.1-5.5
(17)25×
3
4
-25×
1
2
-25×(-
1
4
)

(18)(-5)-(-25)×
1
5
×(-4)+(-6)×
1
2

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計(jì)算
(1)
25
+
3-
1
8
-
1
4
+
327
;
(2)
38
+
1
-
1
4

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計(jì)算下列各題,并給出關(guān)鍵步驟.
(1)-
2
3
+(-
1
6
)-(-
1
4
)-
1
2
;    
(2)0.125+3
1
4
-
1
8
+5
2
3
-0.25;
(3)(-
3
4
)×[(-
2
5
)÷(-1
1
2
)];    
(4)-2-[-4+(1-
2
3
×0.6)÷(-3)].

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計(jì)算:
(1)2+5-8
(2)
5
7
+(-
1
7
)-(-
2
7

(3)-0.75×(-1
1
2
)÷(-2
1
4

(4)-52+2×(-3)2-(-6)÷(-1
1
2

(5)(-24)×(
1
8
-
1
3
+
1
4
)+(-2)3

(6)421×
1
4
+0.25×7
1
2
-28.5×
1
4
(要求簡便計(jì)算)

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計(jì)算題
(1)(-12)-5+(-14)-(-39)
(2)(-24)×(
1
8
-
1
3
+
1
4
)+(-2)3

(3)-42÷(-4)×
1
4
-0.25×(-12)+|-5|

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