lg2*lg50+lg5*lg20-2lg5*lg2
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/13 16:54:43
lg2*lg50+lg5*lg20-2lg5*lg2
lg2*lg50+lg5*lg20-2lg5*lg2
lg2*lg50+lg5*lg20-2lg5*lg2
lg2*lg50+lg5*lg20-2lg5*lg2
=lg2*lg(5*10)+lg5*lg(2*10)-2lg5*lg2
=lg2*(lg5+1)+lg5*(lg2+1)-2lg5*lg2
=lg2+lg5
=1
lg2*lg50+lg5*lg20-2lg5*lg2
问道对数题 lg2*lg50+lg20*lg5-2lg5*lg2
lg2*lg50-lg5*lg20-lg4
计算 lg5×lg20-lg2×lg50-lg25
lg5 X lg20 - lg2 X lg50 - lg25
lg2·lg50-lg5·lg20-lg4
化简 lg2×lg50+lg25-lg5×lg20
求值lg2*lg50+lg5*lg20-lg100*lg2*lg5
(lg5)^2+lg2*lg50
(lg2)^2+lg5*lg20
(lg2)^2+lg20*lg5
如题 lg2.lg50+lg5.lg20-2lg5.lg2 求大仙 回答的快有悬赏.为乘
lg2*lg50 + lg20*lg5 - 2lg5*lg2=?还有类似这种一般的对数的乘法怎么做
lg2*lg50+lg25-lg5*lg20需要过程,谢谢~
lg2*lg50-lg5*lg20-lg4 最后答案是-1,
高一对数计算lg21*lg50+lg25-lg51*lg20=lg2*lg50+lg25-lg5*lg20=
化简 (lg5)^2+(lg2)lg50
(lg5)^2+lg2*lg50 求值