( )·2x²y=10x³y²-8x²y²

问题描述:

( )·2x²y=10x³y²-8x²y²
( )·2x²y=10x³y²-8x²y²

( 5xy-4y )·2x²y=10x³y²-8x²y²谢了,我看了你的答案明白是怎么回事了,谢谢哈!