Jika 23log 81 – 2log 9 – 5log 125+2log 36 = ....
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Jika 23log 81 – 2log 9 – 5log 125+2log 36 = ....
1 Jawaban
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1. Jawaban SiBiruu
2 ³㏒81 - ²㏒9 - ⁵㏒ 125 + ²㏒ 36
= 2 ³㏒ 3⁴ - ²㏒9 - ⁵㏒ 5³ + ²㏒ 36
= 8 ³㏒ 3 - ²㏒9 - 3 ⁵㏒ 5 + ²㏒ 36
= 8 - 3 - ²㏒9 + ²㏒ 36
= 5 + ²㏒ 36 - ²㏒9
= 5 + ²㏒ 36/9
= 5 + ²㏒ 4
= 5 + 2 = 7
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