问题 解答题

脱式计算.

12×28+567÷21

336÷(12+750÷25)

560-912÷24×5

592÷(71-34)×16.

答案

(1)12×28+567÷21,

=336+27,

=363;

(2)336÷(12+750÷25),

=336÷(12+30),

=336÷42,

=8;

(3)560-912÷24×5,

=560-38×5,

=560-190,

=370;

(4)592÷(71-34)×16,

=592÷37×16,

=16×16,

=256.

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