四年级速算与巧算数学练习题(一)(2)
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2018-11-13 10:49:51
【答案】
解答:(1)372÷162×54,
=372÷(162÷54),
=372÷3,
=124
【答案】
解答:(1)372÷162×54,
=372÷(162÷54),
=372÷3,
=124