4分之一乘以括号48.5除以18分之5减3.6加6.15乘以3.6括号的简便运算
问题描述:
4分之一乘以括号48.5除以18分之5减3.6加6.15乘以3.6括号的简便运算
答
0.25*(48.5*18除以5-3.6+6.15*3.6)
=0.25*3.6*(48.5-1+6.15)
=0.9*53.65
=48.285