-2x²y,2x³y²,-4xy²,3xy,加减乘除后,使结果为x²

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/28 18:06:35
-2x²y,2x³y²,-4xy²,3xy,加减乘除后,使结果为x²

-2x²y,2x³y²,-4xy²,3xy,加减乘除后,使结果为x²
-2x²y,2x³y²,-4xy²,3xy,加减乘除后,使结果为x²

-2x²y,2x³y²,-4xy²,3xy,加减乘除后,使结果为x²
(-2x²y)(3xy)+2x³y²=-4x³y²
(-4x³y²)/(-4xy²)=x²