【6.3-6.3乘以0.9】除以6.简便运算~求求今晚
问题描述:
【6.3-6.3乘以0.9】除以6.简便运算~求求今晚
答
(6.3-6.3×0.9)÷6.3
=6.3÷6.3-6.3×0.9÷6.3
=1-0.9
=0.1