ΠΠ΅ΠΎΠ½ΠΈΠ΄3 Π³ΠΎΠ΄Π° Π½Π°Π·Π°Π΄
ΠΠ°ΡΠΈΠ½Π°Π΅ΠΌ ΡΠ΅ΡΠ΅Π½ΠΈΠ΅ Ρ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΡ Π΄Π΅ΠΉΡΡΠ²ΠΈΠΉ Π² ΡΠΊΠΎΠ±ΠΊΠ°Ρ
29/7 : (2/7 - 3/4) = .
1) 2/7 - 3/4 = (2 * 4)/(7 * 4) - (3 * 7)/(7 * 4) = 8/28 - 21/28 = (8 - 21)/28 = -13/28.
2) 29/7 : (-13/28) = 29/7 * (-28/13) = -(29 * 28)/(7 * 13) = (-29 * 4)/(1 * 13) = -116/13 = -8 12/13.