(5/6 + 2 3/4) : 4 7/9 * 2 2/3 - 1 2/3=? Решите плиз ПО ДЕЙСТВИЯМ!!!!!
1) ( 5/6 ) + 2 ( 3/4 ) = ( 10/12 ) + 2 ( 9/12 ) = 2 ( 19/12 ) = 3 ( 7/12 ) 2) 3 ( 7/12 ) : 4 ( 7/9 ) = ( 43/12 ) : ( 43/12 ) = 1 3) 1 * 2 ( 2/3 ) = 2 ( 2/3 ) 4) 2 ( 2/3 ) - 1 ( 2/3 ) = 1 ОТВЕТ : 1