36乘45分之74加上74乘45分之9如何简便
问题描述：
36乘45分之74加上74乘45分之9如何简便
答
同时提取一个74 = 74*（45分之36+45分之9）=74*1=74
答
36X74/45+74X9/45
=9*74/45(4+1)
=5*9*74/45
=74
答
36*74/45+74*9/45=74/45x36+74/45x9
=74/45x(36+9)
=74/45x45
=74
答
36*（74/45）+74*（9/45）=（74/45）（36+9）=（74/45）*45=74
答
36乘45分之74加上74乘45分之9
=74/45x36+74/45x9
=74/45x(36+9)
=74/45x45
=74