Magnitogorskru

Verified answer

А) 1-1|2=2/2-1/2=1/2;/// б) 1-1|3=3/3-1/3=2/3:/// в)1-2|3=3/3-2/3=1/3;///г) 1-1|4=4/4-1/4=3/4

kowalewaeugeniy Представь 1  как 2/2, 3/3, 4/4
1 - 1/2 = 2/2 - 1/2 = 1/2
1 - 1/3 = 3/3 - 1/3 = 2/3
1 - 2/3 = 3/3 - 2/3 = 1/3
1 - 1/4 = 4/4 - 1/4 = 3/4