问题 解答题
用简便方法计算.
28.75-5.37-4.637000÷8÷12557×83+83×4348×25.
答案

(1)28.75-5.37-4.63,

=28.75-(5.37+4.63),

=28.75-10,

=18.75;

(2)7000÷8÷125,

=7000÷(8×125),

=7000÷1000,

=7;

(3)57×83+83×43,

=(57+43)×83,

=100×83,

=8300;

(4)48×25,

=12×(4×25),

=12×100,

=1200.

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