问题 解答题
用简便方法计算(要写出简算过程).
3.64+2.7+4.36(
1
4
+
1
6
)×12.
答案

(1)3.64+2.7+4.36,

=3.64+4.36+2.7,

=8+2.7,

=10.7;

(2)(

1
4
+
1
6
)×12,

=

1
4
×12+
1
6
×12,

=3+2,

=5.

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