已知x+5y=6,则x²+5xy+30y的值是()
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/11 00:37:12
![已知x+5y=6,则x²+5xy+30y的值是()](/uploads/image/z/8626223-47-3.jpg?t=%E5%B7%B2%E7%9F%A5x%2B5y%EF%BC%9D6%2C%E5%88%99x%26sup2%3B%2B5xy%2B30y%E7%9A%84%E5%80%BC%E6%98%AF%EF%BC%88%EF%BC%89)
x){}K+M+kcfZqiiEAY-O<{:mIפ_`gC]hJb S4fHl$ea$AcT)[NV D?lx{)p8 H:
已知x+5y=6,则x²+5xy+30y的值是()
已知x+5y=6,则x²+5xy+30y的值是()
已知x+5y=6,则x²+5xy+30y的值是()
x²+5xy+30y
=x(x+5y)+30y
=6x+30y
=6(x+5y)
=6*6
=36
x²+5xy+30y
=x*(x+5y)+30y
=6x+30y
=6*(x+5y)
=6*6
=36
所以x²+5xy+30y的值是36