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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.

题目详情
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.
▼优质解答
答案和解析
(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.