问题 解答题
脱式计算.
(4609-41×39)+431566÷54×(372-294)231×24-775×6
(253+2997÷27)×38515÷(607-36×14)316-69×6÷18.
答案

①(4609-41×39)+43

=(4609-1599)+43

=3010+43

=3053;

②1566÷54×(372-294)

=1566÷54×78

=29×78

=2262;

③231×24-775×6

=5544-4650

=894;

④(253+2997÷27)×38

=(253+111)×38

=364×38

=13832;

⑤515÷(607-36×14)

=515÷(607-504)

=515÷103

=5.

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