-lg0,3 ㏒₁₀⁻¹ 0,3
0,1^ =(10⁻¹)^ =0,3
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-lg4 lg4⁻¹
10^ =10^ = 4⁻¹=1/4
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-㏒₅3 ㏒₅3⁻¹
5^ =5^ =3⁻¹=1/3
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-㏒₆4 ㏒₁/₆4
(1/6)^ = (1/6)^ = 4