问题 解答题

计算下面各题.(能简算的要简算)

(1)36×17÷51

(2)48×125

(3)84×184-84×84

(4)10000-(59+62)×21.

答案

(1)36×17÷51,

=612÷51,

=12;

(2)48×125,

=(40+8)×125,

=5000+1000,

=6000;

(3)84×184-84×84,

=84×(184-84),

=84×100,

=8400;

(4)10000-(59+62)×21,

=10000-121×21,

=10000-2541,

=7459.

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