(lg2)^3+3lg2乘lg5+(lg5)^3
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(lg²2-lg2*lg5+lg²)+3lg2*lg5
(lg2)^3+3lg2乘lg5+(lg5)^3
lg2(lg5-lg2)-lg5(lg5+3lg2)等于
(lg2)^3+(lg5)^3+3*lg2*lg5
(lg2)³+(lg5)³+3lg2×lg5
lg^2(5)+lg2+lg2乘lg5等于多少?
lg2+lg5-log2(3)乘log3(2)
3+lg5+(lg2)^2
3lg2-lg5=
(lg5)平方+2/3lg8+lg5乘lg20+(lg2)平方
求值lg的平方2+lg2乘lg5+lg5
对数lg2*lg5=?2lg(5)+2/3 lg8+lg5*lg20+lg2 =lg5^2+lg8^(2/3)+lg5*(lg4+lg5)+lg2 =lg100+lg5+2lg2*lg5+lg2 =2+(lg5+lg2) =2+1 =3 第二个等号lg5*(lg4+lg5)为什么=lg5+2lg2*lg5
(lg8+lg1000)lg5+3(lg2)^2+lg^-1+lg0.006
(lg2)x(lg2)x(lg2)+(lg5)^3+3xlg2xlg5=?
lg²5+lg2+lg2*lg5?
lg²5+lg2×lg5+lg2
lg^2 5+lg2*lg5+lg2=?
1.lg²5+lg2×lg5+lg2 2.(lg2)³ +(lg 5)³ +3lg 2×lg 5 3.7 的lg20次方×4.lg500+lg8/5-1/2lg64+50(lg2+lg5)²1.lg²5+lg2×lg5+lg2 2.(lg2)³ +(lg 5)³ +3lg 2×lg 53.7 的lg20次方×(1/2)的lg0.7次方