evaluate
I. 2log10'3+3log10'-2-1/3log5'-3+1/2log4
II. 2log2+log5-1/2log36-log1/30
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2log10^3 + 3log10^-2 - 1/3(log5^-3) + 1/2(log^4)
6log10 - 6log10 + 3/3(log5) + log2
6×1 - 6×1 + 3/3log(5×2)
0 + 3/3
3/3
1
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