1.-3x²y³×5x³y的四次方z得2.(-3/2a²b³)×(-2/9a³b²c)得3.7x的m次方y³ * 1/49x² × y的m次方 × z得4.(-3/2x²y)² × (-2/3xy²)³5.-2a(x+y)³ × (-3)a²
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/07 10:39:23
![1.-3x²y³×5x³y的四次方z得2.(-3/2a²b³)×(-2/9a³b²c)得3.7x的m次方y³ * 1/49x² × y的m次方 × z得4.(-3/2x²y)² × (-2/3xy²)³5.-2a(x+y)³ × (-3)a²](/uploads/image/z/12674827-19-7.jpg?t=1.-3x%26%23178%3By%26%23179%3B%C3%975x%26%23179%3By%E7%9A%84%E5%9B%9B%E6%AC%A1%E6%96%B9z%E5%BE%972.%EF%BC%88-3%2F2a%26%23178%3Bb%26%23179%3B%EF%BC%89%C3%97%EF%BC%88-2%2F9a%26%23179%3Bb%26%23178%3Bc%EF%BC%89%E5%BE%973.7x%E7%9A%84m%E6%AC%A1%E6%96%B9y%26%23179%3B+%2A+1%2F49x%26%23178%3B+%C3%97+y%E7%9A%84m%E6%AC%A1%E6%96%B9+%C3%97+z%E5%BE%974.%EF%BC%88-3%2F2x%26%23178%3By%EF%BC%89%26%23178%3B+%C3%97+%EF%BC%88-2%2F3xy%26%23178%3B%EF%BC%89%26%23179%3B5.-2a%EF%BC%88x%2By%29%26%23179%3B+%C3%97+%EF%BC%88-3%EF%BC%89a%26%23178%3B)
1.-3x²y³×5x³y的四次方z得2.(-3/2a²b³)×(-2/9a³b²c)得3.7x的m次方y³ * 1/49x² × y的m次方 × z得4.(-3/2x²y)² × (-2/3xy²)³5.-2a(x+y)³ × (-3)a²
1.-3x²y³×5x³y的四次方z得
2.(-3/2a²b³)×(-2/9a³b²c)得
3.7x的m次方y³ * 1/49x² × y的m次方 × z得
4.(-3/2x²y)² × (-2/3xy²)³
5.-2a(x+y)³ × (-3)a²(x+y)的四次方得
6.3mn × 3/2m²n+3/2m(mn)²得
7 (2x²+4yz)×(-3xyz)得
8.2p²-p(p-3)-3{p²-5p(-p-2)}得
9.3(-4a+1)(a-1)+2(6a-4)(a-3)-43a得
1.-3x²y³×5x³y的四次方z得2.(-3/2a²b³)×(-2/9a³b²c)得3.7x的m次方y³ * 1/49x² × y的m次方 × z得4.(-3/2x²y)² × (-2/3xy²)³5.-2a(x+y)³ × (-3)a²
1. -3x²y³×5x³y的四次方z得-15x 5次方y的7次方z
2. (-3/2a²b³)×(-2/9a³b²c)得1/3a的5次方b的5次方c
3. 7x的m次方y³ * 1/49x² × y的m次方 × z得1/7x的m+2次方y的m+3次方z
4. (-3/2x²y)² × (-2/3xy²)³=-2/3x的7次方y的8次方
5. -2a(x+y)³ × (-3)a²(x+y)的四次方得6a³(x+y)的7次方
6. 3mn × 3/2m²n+3/2m(mn)²得6m³n²
7 (2x²+4yz)×(-3xyz)得-6x³yz-12xy²z²
8.2p²-p(p-3)-3{p²-5p(-p-2)}得-17p²-27p
9.3(-4a+1)(a-1)+2(6a-4)(a-3)-43a得-72a+21