Вправи 201 - 300 » 257-258

257. (27 : 3) : 3 = 3 (27 ∙ 3) + 3 = 84 258. 128 : 8 = (80 + 48) : 8 = 10 + 6 = 16 144 : 9 = (90 + 54) : 9 = 10 + 6 = 16 133 : 7 = (70 + 63) : 7 = 10 + 9 = 19 105 : 7 = (70 + 35) : 7 = 10 + 5 = 15 114 : 6 = (60 + 54) : 6 = 10 + 9 = 19 104 : 8 = (80 + 24) : 8 = 10 + 3 = 13