问题 解答题
47+256+53368-152-4825×17×4
2700÷25÷4125×8899×41+41
13×75+13×25125×7225×(4+8)
答案

(1)47+256+53

=(47+53)+256,

=100+256,

=356;

(2)368-152-48

=368-(152+48),

=368-200,

=168;

(3)25×17×4

=25×4×17,

=100×17,

=1700;

(4)2700÷25÷4

=2700÷(25×4),

=2700÷100,

=27;

(5)125×88

=125×8×11,

=1000×11,

=11000;

(6)99×41+41

=(99+1)×41,

=100×41,

=4100;

(7)13×75+13×25

=(75+25)×13,

=100×13,

=1300;

(8)125×72

=125×8×9,

=1000×9,

=9000;

(9)25×(4+8),

=25×4+25×8,

=100+200,

=300.

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