(1/4+2/9)*36简便运算

问题描述:

(1/4+2/9)*36简便运算

(1/4+2/9)*36
=(1/4)*36+(2/9)*36
= 9 + 8
= 17

(1/4+2/9)*36
=1/4*36+2/9*36
=9+8
=17