题目内容
计算下列各题
55.68÷8.7-5.5
0.75×18÷0.15.
55.68÷8.7-5.5
0.75×18÷0.15.
(1)55.68÷8.7-5.5
=6.4-5.5
=0.9;
(2)0.75×18÷0.15
=(0.75÷0.15)×18
=5×18
=90.
=6.4-5.5
=0.9;
(2)0.75×18÷0.15
=(0.75÷0.15)×18
=5×18
=90.
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