问题 解答题
39×(46-28)+53213-(98+22)÷60325÷13×(277-249)
274×8+126×8(120-1456÷26)×63.
答案

(1)39×(46-28)+53,

=39×18+53,

=702+53,

=755;

(2)213-(98+22)÷60,

=213-120÷60,

=213-2,

=211;

(3)325÷13×(277-249),

=325÷13×28,

=25×28,

=700;

(4)274×8+126×8,

=(274+126)×8,

=400×8,

=3200;

(5)(120-1456÷26)×63,

=(120-56)×63,

=64×63,

=4032.

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