(3/5)^15*(-5/3)^14怎样简算?这样的题型怎样巧解?
问题描述:
(3/5)^15*(-5/3)^14怎样简算?
这样的题型怎样巧解?
答
(3/5)^15*(-5/3)^14=[(3/5)*(-5/3)]^14*(3/5)=1*(3/5)=3/5
答
(3/5)^15*(-5/3)^14
=(3/5)^15*(5/3)^14
=3/5×(3/5×5/3)^14
=3/5
答
(3/5)^15*(-5/3)^14
=(3/5)*(3/5)^14*(-5/3)^14
=(3/5)*[3/5*(-5/3)]^14
=3/5*(-1)^14
=3/5*1
=3/5