Найдите значение выражения 3 3/4 (2(целая) 4/7 -1(целая) 1/12)
1) 2 4/7 - 1 1/12 = 18/7 - 13/12 = 216/84 - 91/84 = 125/84 = 1 41/84
2) 3 3/4 * 1 41/84 = 15/4 * 125/84 = 1875/336 = 5 195/336 = 5 65/112