计算下面各题.(怎样简便就怎样计算.)102×0.55 10.7﹣22...

2023-02-13

【题目】计算下面各题.(怎样简便就怎样计算.)

102×0.55    10.7﹣22.78÷3.4    10.8×0.8÷2.7

【答案】(1)56.1

(2)4

(3)3.2

【解析】

(1)102×0.55

=(100+2)×0.55

=100×0.55+2×0.55

=55+1.1

=56.1;

(2)10.7﹣22.78÷3.4

=10.7﹣6.7

=4;

(3)10.8×0.8÷2.7

=(10.8÷2.7)×0.8

=4×0.8

=3.2