计算:(2x²y)³.(-7xy²)÷14x^4y³
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/08/18 13:59:53
计算:(2x²y)³.(-7xy²)÷14x^4y³
![计算:(2x²y)³.(-7xy²)÷14x^4y³](/uploads/image/z/20046414-30-4.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%9A%EF%BC%882x%26%23178%3By%EF%BC%89%26%23179%3B.%EF%BC%88-7xy%26%23178%3B%EF%BC%89%C3%B714x%5E4y%26%23179%3B)
原式=-(8x^6y³*7xy²)÷14x^4y³
=-(8x^7y^5)÷14x^4y³
=-4x³y²/7
=-(8x^7y^5)÷14x^4y³
=-4x³y²/7
计算:(-7x²y)(2x²y-3xy³+xy)
计算:(3x³y)²*(4y)²÷(2xy)³
计算x²y³-2x(4xy³)
计算;(xy-x²)÷x²-2xy+y²/xy · x-y/x²
计算:x²y-(2xy²-5x²y)+3xy²-y³
计算(2x³-3x²y-2xy²)-(x³-2xy²+y³)
(xy-x²)²÷(x-y)²/xy·x-y/x² 计算
计算 2xy[4x²y²-3y(xy+x²y)-xy²]
(2x³y)²×(-2xy)+(2x³y)³÷(2x²)计算
计算 (_2x²y³)²×(4xy²)-¹×(2x²y)
计算[xy(x²-3y)+3xy²]·(-2xy)+x³y²(2x-y)
计算:x•(9x³y-3xy²)/(-3x²y)