问题 解答题
计算题
(1)23-37+3-52                 
(2)(
2
3
-
1
2
)×30÷(-
1
5
)

(3)(1-
1
6
+
3
4
)×(-48)

(4)-22÷(-4)3+|0.8-1|×(2
1
2
)2
答案

(1)原式=23+3-37-52=26-89=-63;

(2)原式=

1
6
×30×(-5)=
1
6
×30×5=30;

(3)原式=-48+

1
6
×48-
3
4
×48=-48+8-36=-84+8=-76;

(4)原式=-4÷(-64)+0.2×

25
4

=

1
16
+
5
4

=

21
16

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