log(2)9乘log(3)4等于多少?2和3在log的右下角.
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![log(2)9乘log(3)4等于多少?2和3在log的右下角.](/uploads/image/z/11541183-15-3.jpg?t=log%EF%BC%882%EF%BC%899%E4%B9%98log%EF%BC%883%EF%BC%894%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%3F2%E5%92%8C3%E5%9C%A8log%E7%9A%84%E5%8F%B3%E4%B8%8B%E8%A7%92.)
log(2)9乘log(3)4等于多少?2和3在log的右下角.
log(2)9乘log(3)4等于多少?2和3在log的右下角.
log(2)9乘log(3)4等于多少?2和3在log的右下角.
log(2)9×log(3)4=2log(2)3×2log(3)2=4
等于4
log(2)9=2log(2)3,log(3)4=2log(3)2. log(2)3乘以log(3)2=1, 所以log(2)9乘log(3)4=4
4
log(2)9×log(3)4=2log(2)3×2log(3)2=4
log(2)9乘log(3)4
=lg9/lg2*lg4/lg3
=lg3^2/lg3*lg2^2/lg2
=4