题目内容

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.
(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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