Mathematics
Senior High
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8.0 So
JA.
(2) log2 +10g2(x-4)=5 (1) (S)
(4) 10g2(x-8)<3
(2)+オー45真数は正であるから
2=9 九つかつ1-470
21 =
9
2
すなわち北4-①
方程式を変形するとlogzx(カーキ)-5
よって九(九-4)=25
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