9^log(3^4)+log9(27)
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解决时间 2021-04-07 01:03
- 提问者网友：沉默的哀伤
- 2021-04-06 17:41
9^log(3^4)+log9(27)
最佳答案
- 五星知识达人网友：雾月
- 2021-04-06 17:49
9^log(3 4)+log9(27)
=4^2+3/2
=16+1.5
=17.5追问能不能在详细点？看不懂。。追答9^log(3 4)
=3^2log(3 4)
=3^log(3 4^2)
=4^2
log9(27)
=log9(3^3)
=log9(9^3/2)
=3/2
=4^2+3/2
=16+1.5
=17.5追问能不能在详细点？看不懂。。追答9^log(3 4)
=3^2log(3 4)
=3^log(3 4^2)
=4^2
log9(27)
=log9(3^3)
=log9(9^3/2)
=3/2
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