问题 解答题
计算下面各题,能简便的用简便方法计算.
600÷25÷483×29+71×83199+199×99
560÷[490÷(34+36)]101×9928×37+73×37-37.
答案

(1)600÷25÷4,

=600÷(25×4),

=600÷100,

=6;

(2)83×29+71×83,

=83×(29+71),

=83×100,

=8300;

(3)199+199×99,

=199×(99+1),

=199×100,

=19900;

(4)560÷[490÷(34+36)],

=560÷[490÷70],

=560÷7,

=80;

(5)101×99,

=(100+1)×99,

=100×99+1×99,

=9900+99,

=9999;

(6)28×37+73×37-37,

=(28+73-1)×37,

=100×37,

=3700.

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