3lg5+3lg2*(lg5*lg2+lg2))-3的答案是什么
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/08/09 21:41:51
3lg5+3lg2*(lg5*lg2+lg2))-3的答案是什么
![3lg5+3lg2*(lg5*lg2+lg2))-3的答案是什么](/uploads/image/z/15917432-32-2.jpg?t=3lg5%2B3lg2%2A%28lg5%2Alg2%2Blg2%29%29-3%E7%9A%84%E7%AD%94%E6%A1%88%E6%98%AF%E4%BB%80%E4%B9%88)
3lg5+3lg2*(lg5*lg2+lg2))-3的答案是什么
原式=3(1-lg2)+3lg²2(lg5+1)-3=-3lg2+3lg²2(2-lg2)=-3lg³2+6lg²2-3lg2=-3lg2(lg²2-2lg2+1)
=-3lg2(lg2-1)²=-3lg2(lg²5)=-0.4412
原式=3(1-lg2)+3lg²2(lg5+1)-3=-3lg2+3lg²2(2-lg2)=-3lg³2+6lg²2-3lg2=-3lg2(lg²2-2lg2+1)
=-3lg2(lg2-1)²=-3lg2(lg²5)=-0.4412
lg2(lg5-lg2)-lg5(lg5+3lg2)等于
(lg2)^3+(lg5)^3+3*lg2*lg5
(lg2)³+(lg5)³+3lg2×lg5
3+lg5+(lg2)^2
(lg2)^3+(lg5)^3+3lg2*lg5的值为?
(lg2)^3+(lg5)^3+3lg2*lg5等于?
(lg2)^3+(lg5)^3+3lg2*lg5 这些怎么算.
(lg2)^3+3lg2乘lg5+(lg5)^3
(lg2)^3+3lg2·lg5+(lg5)^3 怎么算?
(lg2)^3+(lg5)^3+3lg2*lg5怎么算
1.(lg2)^3+(lg5)^3+3lg2*lg5=
(lg2)^3+(lg5)^3+lg5*lg8