问题 解答题
计算:
(1)
25
+
(-4)×(-16)

(2)
27
×3
12
×
2
9
3
答案

(1)原式=

25
+
4×16

=5+

4
×
16

=5+2×4

=13;

(2)原式=3

3
×6
3
×
2
9
3

=3×6×

2
9
×
3×3×3

=4×3

3

=12

3

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