(3x²y-6xy)÷6xy等于几

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(3x²y-6xy)÷6xy等于几

(3x²y-6xy)÷6xy等于几
(3x²y-6xy)÷6xy等于几

(3x²y-6xy)÷6xy等于几
原式
=3x²y÷6xy-6xy÷6xy
=2分之x-1