问题 解答题
下面各题怎样算简便就怎样算.
(1)2000-586-114
(2)55×25+25×45(3)(40+4)×25
(4)540÷12÷5(5)77×13-13×27(6)104×32.
答案

(1)2000-586-114,

=2000-(586+114),

=2000-700,

=1300;

(2)55×25+25×45,

=(55+45)×25,

=100×25,

=2500;

(3)(40+4)×25,

=40×25+4×25,

=1000+100,

=1100;

(4)540÷12÷5,

=540÷(12×5),

=540÷60,

=9;

(5)77×13-13×27,

=(77-27)×13,

=50×13,

=650;

(6)104×32,

=(100+4)×32,

=100×32+32×4,

=3200+128,

=3328.

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