Впишите в звездочку нужное число: 1) 5/9=*/27=25/*=40 / * 2) 7/6=21/*=*/30=49 / * 3) 3/4=*/24=24/*=*/48 4) 2/3=*/15=14/*=*/27

1) 5/9 = (27 / 9 * 5) - 15/27 = (25 / 5 * 9) - 25/45 = (40 / 5 * 9) - 40/72.

2) 7/6 = (21 / 7 * 6) - 21/18 = (30 / 6 * 7) - 35/30 = (49 / 7 * 6) - 49/42.

3) 3/4 = (24 / 4 * 3) - 18/24 = (24 / 3 * 4) - 24/32 = (48 / 4 * 3) - 36/48.

4) 2/3 = (15 / 3 * 2) - 10/15 = (14 / 2 * 3) - 14/21 = (27 / 3 * 2) - 18/27.