2lg5+lg20=?lg5*lg20=?

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2lg5+lg20=?lg5*lg20=?2lg5+lg20=?lg5*lg20=?2lg5+lg20=?lg5*lg20=?lg5+2lg5+1lg5^22/3lg8lg5*lg20(lg2)^2=

2lg5+lg20=?lg5*lg20=?
2lg5+lg20=?lg5*lg20=?

2lg5+lg20=?lg5*lg20=?
lg5+2
lg5+1

lg5^2 2/3lg8 lg5*lg20 (lg2)^2 =2lg5 2/3lg2^3 lg5*lg(4*5) (lg2)^2 =2lg5 2lg2 (lg5)^2 lj5*2lg2 )lg2)^2 =2(lg2 lg