作业帮约分下面式子,3a²b/6ab²-c (2)8m²n/2mn²
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约分下面式子,3a²b/6ab²-c (2)8m²n/2mn²
约分下面式子,
3a²b/6ab²-c (2)8m²n/2mn²
约分下面式子,3a²b/6ab²-c (2)8m²n/2mn²
3a²b/6ab²-c
= 3ab*a/3ab*2b - c
= a/2b - c
8m²n/2mn²
= 2mn*4m/2mn*n
= 4m/n