31 加法 44 等于多少？

31 + 43 = 74 31 + 45 = 76 31 + 42 = 73 31 + 46 = 77 31 + 47 = 78 31 + 41 = 72 31 + 48 = 79 31 + 40 = 71 30 + 44 = 74 32 + 44 = 76 29 + 44 = 73 33 + 44 = 77 28 + 44 = 72 34 + 44 = 78 35 + 44 = 79 27 + 44 = 71 1 + 74 = 75 2 + 73 = 75 3 + 72 = 75 4 + 71 = 75 5 + 70 = 75 6 + 69 = 75 72 + 17 = 89 10 + 87 = 97 100 + 11 = 111 46 + 41 = 87 11 + 87 = 98 2 + 16 = 18 91 - 16 = 75 88 - 13 = 75