问题
解答题
简便运算 (
96×101 2.7×99+2.7×2-2.7. |
答案
(1)(
+2 5
-1 6
)÷4 15
,1 30
=
×30+2 5
×30-1 6
×30,4 15
=12+5-8,
=9;
(2)96×101,
=96×100+96,
=9600+96,
=9696;
(3)2.7×99+2.7×2-2.7,
=2.7×(99+2-1),
=2.7×100,
=270.