1/6а+1,75а-11/9а=1/6а+7/4а-11/9а=(6а+63а-44а)/36=25а/36=(25*1,44)/36=1
1/6a + 1,75a - 1 2/9a = а(1/6+7/4-11/9) = 25/36а
1) 1/6 + 7/4 = 2/12 + 21/12 = 23/12
2) 23/12 - 11/9 = 69/36 - 44/36 = 25/36
Если а = 1,44, то 25/36а = 25/36 * 1,44 = 25/36 * 36/25 = 1
1/6а+1,75а-11/9а=1/6а+7/4а-11/9а=(6а+63а-44а)/36=25а/36=(25*1,44)/36=1
1/6a + 1,75a - 1 2/9a = а(1/6+7/4-11/9) = 25/36а
1) 1/6 + 7/4 = 2/12 + 21/12 = 23/12
2) 23/12 - 11/9 = 69/36 - 44/36 = 25/36
Если а = 1,44, то 25/36а = 25/36 * 1,44 = 25/36 * 36/25 = 1