ΠΠ°ΡΠ°Π»ΠΈΡ7 Π»Π΅Ρ Π½Π°Π·Π°Π΄
ΠΡΠΏΠΎΠ»Π½ΠΈΠΌ Π΄Π΅ΠΉΡΡΠ²ΠΈΡ ΡΠ½Π°ΡΠ°Π»Π° Π² ΡΠΊΠΎΠ±ΠΊΠ°Ρ , Π° ΠΏΠΎΡΠΎΠΌ Π·Π° Π½ΠΈΠΌΠΈ, ΠΊΠΎΠ³Π΄Π° ΠΏΠΎΠ΄Π½ΠΎΡΠΈΠ»ΠΈ Π΄ΡΠΎΠ±ΠΈ Π² ΡΡΠ΅ΠΏΠ΅Π½Ρ, ΡΠ½Π°ΡΠ°Π»Π° ΠΏΠΎΠ΄Π½ΠΎΡΠΈΠ»ΠΈ ΡΠΈΡΠ»ΠΈΡΠ΅Π»Ρ, Π° ΠΏΠΎΡΠΎΠΌ Π·Π½Π°ΠΌΠ΅Π½Π°ΡΠ΅Π»Ρ:
(7/12 - 3/16 - 5/24) + (1/4)^2 = 1/4.
1) 7/12 - 3/16 = (7 * 4)/(12 * 4) - (3 * 3)/(16 * 3) = 28/48 - 9/48 = (28 - 9)/48 = 19/48;
2) 19/48 - 5/24 = 19/48 - (5 * 2)/(24 * 2) = 19/48 - 10/48 = (19 - 10)/48 = 9/48 = (3 * 3)/(3 * 16) = 3/16 (ΡΠΎΠΊΡΠ°ΡΠΈΠ»ΠΈ 3 Π² ΡΠΈΡΠ»ΠΈΡΠ΅Π»Π΅ ΠΈ Π·Π½Π°ΠΌΠ΅Π½Π°ΡΠ΅Π»Π΅);
3) (1/4)^2 = (1^2)/(4^2) = 1/16;
4) 3/16 + 1/16 = (3 + 1)/16 = 4/16 = 4/(4 * 4) = 1/4 (ΡΠΎΠΊΡΠ°ΡΠΈΠ»ΠΈ 4 Π² ΡΠΈΡΠ»ΠΈΡΠ΅Π»Π΅ ΠΈ Π·Π½Π°ΠΌΠ΅Π½Π°ΡΠ΅Π»Π΅).