Ответ:
Объяснение:
6.31.(2) (b+4)/(a-2) + (b+3)/(a-2)=(2b+7)/(a-2)
6.34.(2) 2x/(a-b) - x/(b-a)= 2x/(a-b) + x/(a-b)=3x/(a-b)
6.37.(2) a/xy -b/xy=(az-by)/xyz
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Ответ:
Объяснение:
6.31.(2) (b+4)/(a-2) + (b+3)/(a-2)=(2b+7)/(a-2)
6.34.(2) 2x/(a-b) - x/(b-a)= 2x/(a-b) + x/(a-b)=3x/(a-b)
6.37.(2) a/xy -b/xy=(az-by)/xyz