问题
填空题
log220-log25+log34•log43=______.
答案
log220-log25+log34•log43=log24+
×lg4 lg3
=2+1=3lg3 lg4
故答案为:3
log220-log25+log34•log43=______.
log220-log25+log34•log43=log24+
×lg4 lg3
=2+1=3lg3 lg4
故答案为:3