Вычислите:
а) 7/9 - 5/18,
б) 14/25 - 1/5,
в) 7/10 - 9/100,
г) 7/11 - 21/44.
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Verified answer
A)7/9-5/18=(14-5)/18=9/18=1/9Б)14/25-1/5=(14-5)/25=9/25
В)7/10-9/100=(70-9)/100=61/100
Г)7/11-21/44=(28-21)/44=7/44