3 加法 7 等于多少？

3 + 7 = 10

3加法7 等于 10

竖式演算

13+710

验算

  • 用减法验算：10 − 7 = 3
  • 用减法验算：10 − 3 = 7

相关题目

3 + 6 = 9 3 + 8 = 11 3 + 5 = 8 3 + 9 = 12 3 + 4 = 7 3 + 10 = 13 3 + 11 = 14 3 + 3 = 6 2 + 7 = 9 4 + 7 = 11 1 + 7 = 8 5 + 7 = 12 6 + 7 = 13 7 + 7 = 14 8 + 7 = 15 9 + 7 = 16 1 + 9 = 10 2 + 8 = 10 4 + 6 = 10 5 + 5 = 10 6 + 4 = 10 7 + 3 = 10 87 + 30 = 117 28 + 26 = 54 20 + 82 = 102 74 + 31 = 105 49 + 90 = 139 51 + 84 = 135 16 - 6 = 10 67 - 57 = 10