题目内容
我会脱式计算. 540-340÷2 |
(601-246)÷5 |
56÷8×9 | 366÷(54÷9) |
分析:(1)先算除法,再算减法;
(2)先算减法,再算除法;
(3)此题属于统计运算,从左往右以此计算;
(3)先算括号内的,再算括号外的.
(2)先算减法,再算除法;
(3)此题属于统计运算,从左往右以此计算;
(3)先算括号内的,再算括号外的.
解答:解:(1)540-340÷2,
=540-170,
=370;
(2)(601-246)÷5,
=355÷5,
=71;
(3)56÷8×9,
=7×9,
=63;
(4)366÷(54÷9),
=366÷6,
=61.
=540-170,
=370;
(2)(601-246)÷5,
=355÷5,
=71;
(3)56÷8×9,
=7×9,
=63;
(4)366÷(54÷9),
=366÷6,
=61.
点评:此题主要考查整数四则混合运算的运算顺序以及运算法则.
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