来自韩红芳的问题
计算:1-3(x-1/2y²)+(-x+1/2y²)过程,算式!(初一试题)去括号·合并同类项!
计算:1-3(x-1/2y²)+(-x+1/2y²)过程,算式!(初一试题)
去括号·合并同类项!
1回答
2020-12-19 05:51
计算:1-3(x-1/2y²)+(-x+1/2y²)过程,算式!(初一试题)去括号·合并同类项!
计算:1-3(x-1/2y²)+(-x+1/2y²)过程,算式!(初一试题)
去括号·合并同类项!
原式=1-3x+3/2y²-x+1/2y²
=1-4x+2y²