题目内容
852÷4÷3 | 208÷8×9 | 492÷(2×3) |
(345+102)÷3 | 162×4÷8 | (701-346)÷5. |
分析:(1)(2)(5)按照从左到右的顺序计算;
(3)先算小括号里面的乘法,再算括号外的除法;
(4)先算小括号里面的加法,再算括号外的除法;
(6)先算小括号里面的减法,再算括号外的除法.
(3)先算小括号里面的乘法,再算括号外的除法;
(4)先算小括号里面的加法,再算括号外的除法;
(6)先算小括号里面的减法,再算括号外的除法.
解答:解:(1)852÷4÷3,
=213÷3,
=71;
(2)208÷8×9,
=26×9,
=234;
(3)492÷(2×3),
=492÷6,
=82;
(4)(345+102)÷3,
=447÷3,
=149;
(5)162×4÷8,
=648÷8,
=81;
(6)(701-346)÷5,
=355÷5,
=71.
=213÷3,
=71;
(2)208÷8×9,
=26×9,
=234;
(3)492÷(2×3),
=492÷6,
=82;
(4)(345+102)÷3,
=447÷3,
=149;
(5)162×4÷8,
=648÷8,
=81;
(6)(701-346)÷5,
=355÷5,
=71.
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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