(6a²b 3a)/a

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(6a²b 3a)/a

(6a²b 3a)/a
(6a²b 3a)/a

(6a²b 3a)/a
原式=6a²b/a+3a/a
=6ab+3

(6a²b +3a)/a
=6a²b/a+3
=3ab+3