2的x次方=3,log以4为底 8/3=y,则x+2y=?求大神帮助2的x次方=3,log以4为底 8/3=y,则x+2y=? 急求!
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2的x次方=3,log以4为底8/3=y,则x+2y=?求大神帮助2的x次方=3,log以4为底8/3=y,则x+2y=?急求!2的x次方=3,log以4为底8/3=y,则x+2y=?求大神帮助2的x
2的x次方=3,log以4为底 8/3=y,则x+2y=?求大神帮助2的x次方=3,log以4为底 8/3=y,则x+2y=? 急求!
2的x次方=3,log以4为底 8/3=y,则x+2y=?求大神帮助
2的x次方=3,log以4为底 8/3=y,则x+2y=? 急求!
2的x次方=3,log以4为底 8/3=y,则x+2y=?求大神帮助2的x次方=3,log以4为底 8/3=y,则x+2y=? 急求!
由题意得:x=log2(3) y=log4(8/3)=1/2*【3-log2(3)】 所以x+2y=log2(3)+3-log2(3)=3