Toán Lớp 8: rút gọn các biểu thức sau:
a) (x-3)(x^2+3x+9)-(54+^3)
b) (3x+y)(9x^2+3xy+y^2)-(3x-y)(9x^2+3xy+y^2)
Leave a reply
Register Now
Login
Lost Password
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Toán Lớp 8: rút gọn các biểu thức sau:
a) (x-3)(x^2+3x+9)-(54+^3)
b) (3x+y)(9x^2+3xy+y^2)-(3x-y)(9x^2+3xy+y^2)
Comments ( 1 )