23.13+25×0.16+1.87(简便计算)

问题描述:

23.13+25×0.16+1.87(简便计算)

简便计算??不知道是不是我想得太简单了- -
25X4X0.04+23.13+1.87
=4+25
=29是这样么?是么??么?...

(13.13+1.87)+25×0.04×4=15+4=19

23.13+25×0.16+1.87
= (23.13 + 1.87) + (25 ×0.4) ×0.4
= 25 +10×0.4
= 25 +4
= 29

23.13+25×0.16+1.87
=23.13+1.87+25×0.16
=25+4
=29