(5m³n²－6m2)÷(3m)=

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(5m³n²－6m2)÷(3m)=
(5m³n²－6m2)÷(3m)=

(5m³n²－6m2)÷(3m)=
(5m³n²－6m2)÷(3m)
=5m^3n^2/3m - 6m^2/3m
=5m^2n^2/3 -2m
=m(5mn^2/3 - 2)

答案是 5/3m的平方n的平方 - 2m