10^m=5
10^n=3
10^(2m+3n)
=10^2m×10^3n
=(10^m)^2×(10^n)^3
=5^2×3^3
=25×27
=675
10的m次方等于5 10的n次方等于3 求10的2m+3n次方
10的m次方等于5 10的n次方等于3 求10的2m+3n次方
数学人气:553 ℃时间:2019-12-01 13:21:35
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