( - 2/3 + 4,32) - ( 6,82 - 1/6) = - 3
1) 4,32 - 2/3 = 432/100 - 2/3 = 108/25 - 2/3 = (324 - 50) / 75 = 274/75
2) 6,82 - 1/6 = 682/100 - 1/6 = 341/50 - 1/6 = (1023 - 25)/ 150 = 998/150 = =499/75
3) 274/75 - 499/75 = ( 274 - 499) / 75 = - 225 / 75 = - 3
Ответ: - 3