题目内容
计算.
(705+195)÷6
400-906÷3
85×4÷5.
(705+195)÷6
400-906÷3
85×4÷5.
分析:(1)先算小括号里面的加法,再算括号外的除法;
(2)先算除法,再算减法;
(3)按照从左到右的顺序计算.
(2)先算除法,再算减法;
(3)按照从左到右的顺序计算.
解答:解:(1)(705+195)÷6,
=900÷6,
=150;
(2)400-906÷3,
=400-302,
=98;
(3)85×4÷5,
=340÷5,
=68.
=900÷6,
=150;
(2)400-906÷3,
=400-302,
=98;
(3)85×4÷5,
=340÷5,
=68.
点评:本题考查了简单的四则混合运算,计算时先理清楚运算顺序,根据运算顺序逐步求解即可.
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