问题 解答题
用你喜欢的方法计算下面各题.
(8.8-23.4×
1
3
)÷
5
9

64×12.5×25
5.526-4.84+4.474-3.16
24×(
1
3
+
5
6
-
3
4
答案

(1)(8.8-23.4×

1
3
÷
5
9

=(8.8-7.8)÷

5
9

=1×

9
5

=1

4
5

(2)64×12.5×2.5,

=(8×12.5)×(2.5×8),

=100×20,

=2000;

(3)5.526-4.84+4.474-3.16,

=(5.526+4.474)-(4.84+3.16),

=10-8,

=2;

(4)24×(

1
3
+
5
6
-
3
4
),

=24×

1
3
+24×
5
6
-24×
3
4

=8+20-18,

=10.

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