四分之三乘五分之二加五分之三除以四分之三怎么简便
=(3/4)×(2/5)+(3/5)÷(3/4)
==(3/5)×(1/2+4/3)
=(3/5)×11/6;
=11/10;
如果本题有什么不明白可以追问,