78 加法 12 等于多少？

78 + 12 = 90

78加法12 等于 90

竖式演算

178+1290

验算

  • 用减法验算：90 − 12 = 78
  • 用减法验算：90 − 78 = 12

相关题目

78 + 11 = 89 78 + 13 = 91 78 + 10 = 88 78 + 14 = 92 78 + 15 = 93 78 + 9 = 87 78 + 16 = 94 78 + 8 = 86 77 + 12 = 89 79 + 12 = 91 76 + 12 = 88 80 + 12 = 92 75 + 12 = 87 81 + 12 = 93 74 + 12 = 86 82 + 12 = 94 1 + 89 = 90 2 + 88 = 90 3 + 87 = 90 4 + 86 = 90 5 + 85 = 90 6 + 84 = 90 74 + 45 = 119 40 + 67 = 107 26 + 56 = 82 29 + 12 = 41 53 + 62 = 115 53 + 74 = 127 45 × 2 = 90 3 × 30 = 90