∵2的x次方=3,2的y次方=6,2×3=6∴2×2的x次方=6∴2¹加x次方=2的y次方;∴y=x+1;又∵2的y次方=6,2的z次方=12 2×6=12∴2×2的Y次方=12∴2¹加Y次方=2的Z次方;∴Z=Y+1∴Z=Y+1=X+2
2^x=3 2^y=6=2*3=2*2^x=2^(x+1)y=x+1y-x=12^z=12=2^2*3=2^2*2^x=2^(x+2)z=x+2=x+2(y-x)=x+2y-2x=2y-x
z=y+1=x+2