【高一数学】一道式子的化简计算题》》log【2.5】6.25+lg(1/100)+ln根号e+2^(1+log【2】3)【2.5】是底数为2.5,【2】同理
2020-04-29
【高一数学】一道式子的化简计算题》》
log【2.5】6.25+lg(1/100)+ln根号e+2^(1+log【2】3)
【2.5】是底数为2.5,【2】同理
优质解答
原式=log2.5(2.5^2)+lg10^(-2)+lne^(1/2)+2^[log(2)2+log(2)3]
=2log(2.5)2.5+(-2)lg10+(1/2)lne+2^log(2)2*3
=2-2+1/2+6
=13/2
原式=log2.5(2.5^2)+lg10^(-2)+lne^(1/2)+2^[log(2)2+log(2)3]
=2log(2.5)2.5+(-2)lg10+(1/2)lne+2^log(2)2*3
=2-2+1/2+6
=13/2