lg √2 +lg10−2(lg √2 )^2−lg√ 2 •lg5.求值
(lg根号27+lg5-lg10根号2)/lg1.5
2(lg√2)^2 +lg√2*lg5+(√(lg√2)^2-lg2+1)
2(lg√2)^2+lg√2*lg5+√(lg)√2^2-lg2+1
求值 lg 2lg 50 + lg 5lg 20 - lg 100lg 5lg 2
求值(lg 2)^2 lg 2lg 5 lg 50
(lg√2)^2+1/2lg2*lg5+√(lg√2)^-lg2+1 化简求值
(lg√2)^2+1/2lg2*lg5+√(lg√2)^-lg2+1 化简求值
求值:2(lg根号2)^2+lg根号2*lg5+1-lg根号2
求值lg的平方2+lg2乘lg5+lg5
(lg²2-lg2*lg5+lg²)+3lg2*lg5
2(lg√2)^2 + lg√2 * lg5 + √(lg√2)^2-lg2+1 怎么计算?
计算 2(lg√2)^2+lg√2 * lg5+√[(lg√2)^2-lg2+1]