3lg5+lg8+(lg2)^0+(27/64)^-1/3
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 00:38:51
![3lg5+lg8+(lg2)^0+(27/64)^-1/3](/uploads/image/z/5184147-3-7.jpg?t=3lg5%2Blg8%2B%28lg2%29%5E0%2B%2827%2F64%29%5E-1%2F3)
3lg5+lg8+(lg2)^0+(27/64)^-1/3
3lg5+lg8+(lg2)^0+(27/64)^-1/3
3lg5+lg8+(lg2)^0+(27/64)^-1/3
3lg5+lg8+(lg2)^0+(27/64)^-1/3
=lg5^3+lg8+1+4/3
=lg125+lg8+7/3
=lg125*8+7/3
=3+7/3
=16/3
3lg5+lg8+(lg2)^0+(27/64)^(-1/3)
=3lg5+lg(2³)+1+(64/27)^(1/3)
=3lg5+3lg2+1+(4/3)
=3(lg5+lg2)+(7/3)
=3lg(2*5)+(7/3)
=3+(7/3)
=16/3