Решить пример 24*(1 31/63+1 /14-(2 5/21+31/252)):12 /35
1) 1 31/63 + 1/14 = 94/63 + 1/14 = 197/126 2) 25/21 + 31/252 = 331/252 3) 197/126 - 331/252 = 63/252 = 1/4 4) 24 * 1/4 = 24/4 = 6 5) 6:12/36=6*36/12= 6*2=12