Вычислите а)11/15 + 7/45 б)5/7 - 2/3 в)3/4 - 1/12 если что это / чёрточка это дробь
matany57
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01.09.2019 20:30
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1
Б)5/7-2/3=15/21-14/21=1/21
В)3/4-1/12=9/12-1/12=8/12=2/3