问题
填空题
计算log2(47×25)+log26-log23=______.
答案
log2(47×25)+log26-log23=log247+log225+log2
=14+5+1=206 3
故答案为:20
计算log2(47×25)+log26-log23=______.
log2(47×25)+log26-log23=log247+log225+log2
=14+5+1=206 3
故答案为:20