6 2y^2 3+3y 2y^2+4y+6y^2

请输入您的数学问题…… -6-2y^2-3+3y-2y^2+4y+6y^2

问题

- 6 - 2 y^{2} - 3 + 3 y - 2 y^{2} + 4 y + 6 y^{2}

Verification required

Please type the verification code shown