Question

橘

logの使い方が分かりません(･_･;

each expression as a single logarithm.                             8
9.log7+log2          10.1ogz9 - logz3         11. 5log3+log
12.iog8 -2log6+log3      13. 4logカーlogn         14. log5 一Alog2
15. log。5+ logex         16.logyx+logyアーlog7     17. log。4 logsyキ