题目内容

简便运算
(
2
5
+
1
6
-
4
15
1
30

96×101
2.7×99+2.7×2-2.7.
(1)(
2
5
+
1
6
-
4
15
÷
1
30

=
2
5
×
30+
1
6
×
30-
4
15
×
30,
=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.
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