(ab)^5÷(a²·a³b^4)
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![(ab)^5÷(a²·a³b^4)](/uploads/image/z/1672870-22-0.jpg?t=%EF%BC%88ab%EF%BC%89%5E5%C3%B7%EF%BC%88a%26%23178%3B%C2%B7a%26%23179%3Bb%5E4%EF%BC%89)
(ab)^5÷(a²·a³b^4)
(ab)^5÷(a²·a³b^4)
(ab)^5÷(a²·a³b^4)
原式=a^5b^5÷(a^5b^4)
=b
(ab)^5÷(a²·a³b^4)
=a^5b^5/[a^(2+3)b^4]
=a^(5-5)b^(5-4)
=b
(ab)^5÷(a²·a³b^4)
=a^5b^5 ÷ (a^5b^4)
=a^5-5 b^5-4
=a^0 b
= b