问题 解答题
递等式计算,能简便的就简便计算.
35.8-6.35+3.654200÷25200+144÷(16×3)
280×36-360×185400÷(50×27)[3920-(56+42×16)]÷28.
答案

(1)35.8-6.35+3.65,

=29.45+3.65,

=33.1;

(2)4200÷25,

=4200÷(5×5),

=4200÷5÷5,

=840÷5,

=168;

(3)200+144÷(16×3),

=200+144÷48,

=200+3,

=203;

(4)280×36-360×18,

=280×36-36×180,

=(280-180)×36,

=100×36,

=3600;

(5)5400÷(50×27),

=5400÷50÷27,

=5400÷27÷50,

=200÷50,

=4;

(6)[3920-(56+42×16)]÷28,

=[3920-(56+672)]÷28,

=[3920-728]÷28,

=3192÷28,

=114.

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