题目内容
脱式计算.
| 720÷90×30 | 367+208÷26 | (432-12)÷70. |
分析:(1)按照从左到右的顺序计算;
(2)先算除法,再算加法;
(3)先算小括号里面的减法,再算括号外的除法.
(2)先算除法,再算加法;
(3)先算小括号里面的减法,再算括号外的除法.
解答:解:(1)720÷90×30,
=8×30,
=240;
(2)367+208÷26,
=367+8,
=375;
(3)(432-12)÷70,
=420÷70,
=6.
=8×30,
=240;
(2)367+208÷26,
=367+8,
=375;
(3)(432-12)÷70,
=420÷70,
=6.
点评:本题考查了简单的四则混合运算,关键是理清楚运算的顺序,然后根据运算顺序逐步求解即可.
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