怎样简便怎样算.55×25+25×4577×13-13×27142+586+358+11444×25104×3255-36÷3+15400÷〔300-(260-160)〕540÷(30×15÷15)-

题目简介

怎样简便怎样算.55×25+25×4577×13-13×27142+586+358+11444×25104×3255-36÷3+15400÷〔300-(260-160)〕540÷(30×15÷15)-

题目详情

怎样简便怎样算.
55×25+25×4577×13-13×27142+586+358+11444×25
104×3255-36÷3+15400÷〔300-(260-160)〕540÷(30×15÷15)
题型:解答题难度:中档来源:不详

答案

(1)55×25+25×45,
=(55+45)×25,
=100×25,
=2500;

(2)77×13-13×27,
=(77-27)×13,
=50×13,
=650;

(3)142+586+358+114,
=(142+358)+(586+114),
=500+700,
=1200;

(4)44×25,
=11×4×25,
=11×(4×25),
=11×100,
=1100;

(5)104×32,
=(100+4)×32,
=100×32+4×32,
=3200+128,
=3328;

(6)55-36÷3+15,
=55-12+15,
=43+15,
=58;

(7)400÷〔300-(260-160)〕,
=400÷〔300-100〕,
=400÷200,
=2;

(8)540÷(30×15÷15),
=540÷30,
=18.

更多内容推荐