问题
解答题
计算: (1)
(2)
|
答案
(1)原式=
+25 4×16
=5+
×4 16
=5+2×4
=13;
(2)原式=3
×63
×3 2 9 3
=3×6×
×2 9 3×3×3
=4×33
=12
.3
计算: (1)
(2)
|
(1)原式=
+25 4×16
=5+
×4 16
=5+2×4
=13;
(2)原式=3
×63
×3 2 9 3
=3×6×
×2 9 3×3×3
=4×33
=12
.3