lg2=0.3010,lg3=0.4771,求lg

lg2=0.3010,lg3=0.4771,求lg(3/2),lg 2.4 lg根号6

2个回答

lg(3/2)=lg3-lg2=0.4771-0.3010=0.1761
因为lg4=lg2^2=2lg2=2x0.3010=0.6020
所以 lg2.4=lg12/5=lg12-lg5=lg3+lg4-lg10/2=lg3+lg4-(1-lg2)=0.4771+0.6020-1+0.3010=0.3801
lg√6=lg6^1/2=1/2lg6=1/2(lg2+lg3)=0.38905