根号下{(lg3)平方-lg9+1}乘以(lg根号下27+lg8-lg根号下1000)再整体除以lg0.3乘以lg1.2
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:2024/07/22 08:19:26
根号下{(lg3)平方-lg9+1}乘以(lg根号下27+lg8-lg根号下1000)再整体除以lg0.3乘以lg1.2
![根号下{(lg3)平方-lg9+1}乘以(lg根号下27+lg8-lg根号下1000)再整体除以lg0.3乘以lg1.2](/uploads/image/z/462454-70-4.jpg?t=%E6%A0%B9%E5%8F%B7%E4%B8%8B%EF%BD%9B%EF%BC%88lg3%29%E5%B9%B3%E6%96%B9-lg9%2B1%EF%BD%9D%E4%B9%98%E4%BB%A5%EF%BC%88lg%E6%A0%B9%E5%8F%B7%E4%B8%8B27%2Blg8-lg%E6%A0%B9%E5%8F%B7%E4%B8%8B1000%EF%BC%89%E5%86%8D%E6%95%B4%E4%BD%93%E9%99%A4%E4%BB%A5lg0.3%E4%B9%98%E4%BB%A5lg1.2)
根号下{(lg3)-lg9+1}乘以(lg根号下27+lg8-lg根号下1000)÷(lg0.3x lg1.2) =根号下{(lg3)-2lg3+1}x(3/2lg3+3lg2-3/2)÷(lg0.3 x lg1.2) =根号下(1-lg3)x3/2lg1.2÷lg0.3 ÷ lg1.2 =(1-lg3)x3/2÷lg0.3 =(1-lg3)x3/2÷(1-lg3) =3/2 如有不明白的地方,欢迎追问
根号下{(lg3)平方-lg9+1}乘以(lg根号下27+lg8-lg根号下1000)再整体除以lg0.3乘以lg1.2
【根号(lg3的平方-lg9+1)*(lg根号27+lg8-lg根号1000)】/(lg0.3)*(lg1.2)
【根号(lg的平方3-lg9+1)*(lg根号27+lg8-lg根号1000)】/(lg0.3)*(lg1.2)
【根号lg9-lg9+lg10×(lg根号27+lg8-lg根号1000)】÷(lg0.3)(lg1.2)
(lg根号下27+lg8-lg根号下1000)/(1/2lg0.3+lg2)
急(lg根号下27+lg8-lg根号下1000)\lg1.2=(3/2lg3+3lg2-3/2)/lg1.2然后呢
计算:(lg根号下27+lg8-lg根号下1000)\lg1.2
【lg(根号下27)+lg8-3(lg根号下10)】÷lg1.2=?
化简:(1)4lg2+3lg5-lg五分之一,(2)(lg根号下27+lg8-lg根号下1000)比上(lg1.2)
(lg根号27+lg8-lg根号1000)/lg1、2
1.2(lg根号2)的平方+lg根号2乘以lg根号5+根号下((lg根号2)平方-lg2+1)
(lg根号27+lg8-3lg根号10)除以lg1.2