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