问题
解答题
计算: (1)
(2)
|
答案
(1)原式=
×0.9-2×1 3
+5 2
×1 10 64+16
=
×0.9-2×1 3
+5 2
×101 10
=0.3-5+1
=3.7;
(2)原式=-0.2+3-2+3.5
=4.3.
计算: (1)
(2)
|
(1)原式=
×0.9-2×1 3
+5 2
×1 10 64+16
=
×0.9-2×1 3
+5 2
×101 10
=0.3-5+1
=3.7;
(2)原式=-0.2+3-2+3.5
=4.3.