-a²b³的次数和系数xy的次数和系数2派d(π为常数)的次数和系数-2x²y分4(分数)的次数和系数是同类项打“√”,不是打“×”2与-2() 5a与5ac() ab与ac() ab²与-b²a() x&
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![-a²b³的次数和系数xy的次数和系数2派d(π为常数)的次数和系数-2x²y分4(分数)的次数和系数是同类项打“√”,不是打“×”2与-2() 5a与5ac() ab与ac() ab²与-b²a() x&](/uploads/image/z/6602891-59-1.jpg?t=-a%26%23178%3Bb%26%23179%3B%E7%9A%84%E6%AC%A1%E6%95%B0%E5%92%8C%E7%B3%BB%E6%95%B0xy%E7%9A%84%E6%AC%A1%E6%95%B0%E5%92%8C%E7%B3%BB%E6%95%B02%E6%B4%BEd%EF%BC%88%CF%80%E4%B8%BA%E5%B8%B8%E6%95%B0%EF%BC%89%E7%9A%84%E6%AC%A1%E6%95%B0%E5%92%8C%E7%B3%BB%E6%95%B0-2x%26%23178%3By%E5%88%864%EF%BC%88%E5%88%86%E6%95%B0%EF%BC%89%E7%9A%84%E6%AC%A1%E6%95%B0%E5%92%8C%E7%B3%BB%E6%95%B0%E6%98%AF%E5%90%8C%E7%B1%BB%E9%A1%B9%E6%89%93%E2%80%9C%E2%88%9A%E2%80%9D%2C%E4%B8%8D%E6%98%AF%E6%89%93%E2%80%9C%C3%97%E2%80%9D2%E4%B8%8E-2%EF%BC%88%EF%BC%89+5a%E4%B8%8E5ac%EF%BC%88%EF%BC%89+ab%E4%B8%8Eac%EF%BC%88%EF%BC%89+ab%26%23178%3B%E4%B8%8E-b%26%23178%3Ba%EF%BC%88%EF%BC%89+x%26)
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-a²b³的次数和系数xy的次数和系数2派d(π为常数)的次数和系数-2x²y分4(分数)的次数和系数是同类项打“√”,不是打“×”2与-2() 5a与5ac() ab与ac() ab²与-b²a() x&
-a²b³的次数和系数
xy的次数和系数
2派d(π为常数)的次数和系数
-2x²y分4(分数)的次数和系数
是同类项打“√”,不是打“×”
2与-2() 5a与5ac() ab与ac() ab²与-b²a() x³y与xy³()
a²与b²()
-a²b³的次数和系数xy的次数和系数2派d(π为常数)的次数和系数-2x²y分4(分数)的次数和系数是同类项打“√”,不是打“×”2与-2() 5a与5ac() ab与ac() ab²与-b²a() x&
-a²b³的次数是5和系数是-1
xy的次数是2和系数是1
2派d(π为常数)的次数是1和系数是2pai
-2x²y分4(分数)的次数3和系数是-2
2与-2(√) 5a与5ac(×) ab与ac(×) ab²与-b²a(×) x³y与xy³(×)
a²与b²(×)