计算:①3y²分之4x²×2x³分之y ②2①3y²分之4x²×2x³分之y ②2c²d²分之3ab²÷4cd分之-3a²b²
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 22:32:09
![计算:①3y²分之4x²×2x³分之y ②2①3y²分之4x²×2x³分之y ②2c²d²分之3ab²÷4cd分之-3a²b²](/uploads/image/z/388254-30-4.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%9A%E2%91%A03y%26%23178%3B%E5%88%86%E4%B9%8B4x%26%23178%3B%C3%972x%26%23179%3B%E5%88%86%E4%B9%8By+%E2%91%A12%E2%91%A03y%26%23178%3B%E5%88%86%E4%B9%8B4x%26%23178%3B%C3%972x%26%23179%3B%E5%88%86%E4%B9%8By+%E2%91%A12c%26%23178%3Bd%26%23178%3B%E5%88%86%E4%B9%8B3ab%26%23178%3B%C3%B74cd%E5%88%86%E4%B9%8B-3a%26%23178%3Bb%26%23178%3B)
计算:①3y²分之4x²×2x³分之y ②2①3y²分之4x²×2x³分之y ②2c²d²分之3ab²÷4cd分之-3a²b²
计算:①3y²分之4x²×2x³分之y ②2
①3y²分之4x²×2x³分之y ②2c²d²分之3ab²÷4cd分之-3a²b²
计算:①3y²分之4x²×2x³分之y ②2①3y²分之4x²×2x³分之y ②2c²d²分之3ab²÷4cd分之-3a²b²
①
(4x²/3y²)×(y/2x³)
=2/3xy
②
(3ab²/2c²d²)÷(-3a²b²/4cd)
=(3ab²/2c²d²)×(-4cd/3a²b²)
=-2/acd