Б)
а)74000:(25•4)•53=74000:100•53=740•53=39220
б)960000:(25•4)•53=960000:100•53=9600•53=508800
А) 1/18 + (5/18 + 1/3) = 1/18 + 11/18 = 12/18 = 2/3
б) 4/15 + 7/24 + 5/24 + 1/15 = 5/15 + 12/24 = 5/6
в) 5/7 + 4/5 - 23/35 = 53/35 - 23/35 = 30/35 = 6/7
108/2 = 54 - прыжков делает лягушка
108/3 = 36 - прыжков лиса
<span>108/9 = 12 - олень </span>