=PRODUCT(SUM(PRODUCT(C4,0.0135),566),)是什么意思请帮忙具体说明下谢...答:1 PRODUCT函数是计算所有参数的乘积。如:PRODUCT(3,100)=3*100=100,PRODUCT(3,100,)=3*100=100,PRODUCT(3,100,0)=3*100*0=0,PRODUCT(3,100,0.15)=3*100*0.15=45 2 SUM函数是求参数的和.如:SUM(100,50,0.7,-16)=100+50+0.7-16=134.7 3 以上函数化简:PRODUCT(SUM(C4*0....