题目内容
计算下面各题
44.1÷3.5-7.5 18.36÷3.6×1.2 8.5×1.2÷3.4 87.84÷1.6÷6.1.
44.1÷3.5-7.5 18.36÷3.6×1.2 8.5×1.2÷3.4 87.84÷1.6÷6.1.
分析:本题按照先算乘除,再算加减的运算顺序计算即可.
解答:解:(1)44.1÷3.5-7.5,
=12.6-7.5,
=5.1;
(2)18.36÷3.6×1.2,
=5.1×1.2,
=6.12;
(3)8.5×1.2÷3.4,
=10.2÷3.4,
=3;
(4)87.84÷1.6÷6.1,
=54.9÷6.1,
=9.
=12.6-7.5,
=5.1;
(2)18.36÷3.6×1.2,
=5.1×1.2,
=6.12;
(3)8.5×1.2÷3.4,
=10.2÷3.4,
=3;
(4)87.84÷1.6÷6.1,
=54.9÷6.1,
=9.
点评:本题考查了基本的小数四则混合运算,计算时注意小数点的位置.
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