Вычислите (13 23*2 17-12 23*2 17)разделить 1 114*3 13+13
По действиям

(13 2/3 * 2 1/7 - 12 2/3 * 2 1/7) : 1 1/14 * 3 1/3 + 1/3 = 7

1) 13 2/3 * 2 1/7 - 12 2/3 * 2 1/7 = 2 1/7 * (13 2/3 - 12 2/3) = 2 1/7 * 1 = 2 1/7
2) 2 1/7 : 1 1/14 = 15/7 : 15/14 = 15/7 * 14/15 = 2
3) 2 * 3 1/3 = 2 * 10/3 = 20/3 = 6 2/3
4) 6 2/3 + 1/3 = 6 3/3 = 7