Вправи 301 - 401 » 371
92 – 9 ● 2 = 92 – 18 = 92 – 20 + 2 = 72 + 2 = 74 55 + 9 ● 5 = 55 + 45 = 100 9 ● 3 + 9 : 3 = 27 + 3 = 30 54 : 9 : 3 = 6 : 3 = 2
92 – 9 ● 2 = 92 – 18 = 92 – 20 + 2 = 72 + 2 = 74 55 + 9 ● 5 = 55 + 45 = 100 9 ● 3 + 9 : 3 = 27 + 3 = 30 54 : 9 : 3 = 6 : 3 = 2