已知lg2=0.3010,lg3=0.4771,计算:(1)lg9/2=2lg3-lg2=2x0.4771-0.3010=0.9542-0.3010=0.6532(2)lg3.6=2(lg2+lg3)-1=2x(0.3010+0.4771)-1=2x0.7781-1=1.5562-1=0.5562(3)lg根号6/2=lg根号3/2=1/2(lg3-lg2)=1/2x(0.4771...