Mathematics
Senior High
(9)と(10)の解き方がよく分からないので教えていただきたいです
(9) 2log₁0 15 +6log 10 √2-log 10 18
15² X √√√.2
+
logio 18
= 2
1
16
27
(10) loga+log, 75-log, 20
6
/ 098 (1/= × √95 × 17/10)
()
1093 581
109 + 9
〃
2
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