【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
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