六年级上册分数除法简便计算

六年级上册分数除法简便计算


简介:
一、先把除法变成乘法,再运用乘法分配律 ①95×3.8+6.2× =95×3.8+6.2×95 =(3.8+6.2)×95 =10×95 =95 ②×+÷ =×+× =(+)× =1× = ③(++)÷ =(++)×12 =×12+×12+×12 =4+3+2 =9