﹙3x²y³-x³y²+2分之1x²y²﹚÷﹙-2分之1xy﹚²
来源:学生学帮网 编辑:学帮网 时间:2024/07/06 19:51:10
﹙3x²y³-x³y²+2分之1x²y²﹚÷﹙-2分之1xy﹚²
﹙3x²y³-x³y²+½x²y²﹚÷﹙-½xy﹚²=x²y²(3y-x+½)÷¼x²y²
=(3y-x+½)÷¼=12y-4x+2
条件呢
﹙3x²y³-x³y²+2分之1x²y²﹚÷﹙-2分之1xy﹚²
﹙3x²y³-x³y²+½x²y²﹚÷﹙-½xy﹚²=x²y²(3y-x+½)÷¼x²y²
=(3y-x+½)÷¼=12y-4x+2
条件呢