计算:-÷6-+8. = = (3) 8-2×32+2. (4) = = 查看更多

 

题目列表(包括答案和解析)

计算:
(1)-32-50÷(-5)2-1;
(2)-1-[2-(1-
1
3
×0.5)]×[32-(-2)2]

(3)(-2)4÷(-2
2
3
)2+5
1
2
×(-
1
6
)-0.25

(4)-32×2+(-2)3×3-48÷(-2).

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计算:
(1)(-12)-5+(-14)-(-39);
(2)3
1
2
-(-
1
3
)+2
2
3
+(-
1
2
)

(3)(-81)÷2
1
4
-
4
9
÷(-16);
(4)(
2
3
-
1
4
-
3
8
+
5
24
)×48

(5)25×
3
4
-(-25)×
1
2
+25×(-
1
4
);
(6)-32÷(-3)2+3×(-2);
(7)-16-(
1
2
-1)×(-
1
3
)(2-23)

(8)[1
21
24
-(
3
8
+
1
16
-
3
4
(-4)3]÷5

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计算:
(1)-27+(-32)+(-8)+72          
(2)(+4.3)-(-4)+(-2.3)-(+4)
(3)-4-2×32+(-2×32)
(4)(-48)÷(-2)3-(-25)×(-4)+(-2)2
(5)25×
3
4
+(-25)×
1
2
+25×(-
1
4

(6)(-1)3-(1-
1
2
)÷3×[3-(-3)2].

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计算:
(1)4-6÷(-2)×(-
1
3
)

(2)|-5-4|-
25
×
3-64
÷(-
1
2

(3)(
2
3
-
1
4
-
3
8
)×(-48)(用简便方法计算)
(4)(
7
2+
(-7)2
-
7
+|2-
7
|
(5)-32-[(
1
2
)2
÷(-1)-
1
16
]×(-
4
)÷(-1)3
(6)(-
5
8
)×(-42)-0.25×(-8)×(-1)2007

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计算:(1)-32=______;(2)数学公式=______;(3) (-6)×7=______;
(4) 48÷(-8)=______;(5)-23•(-1)5•(-2)=______;
(6) 0.25×(-2.15)+0.75×(-2.15)=______;(7)(-4)×(-124)×(-0.25)=______.

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