8 加法 7 等于多少？

8 + 7 = 15

8加法7 等于 15

竖式演算

18+715

验算

  • 用减法验算：15 − 7 = 8
  • 用减法验算：15 − 8 = 7

相关题目

8 + 6 = 14 8 + 8 = 16 8 + 5 = 13 8 + 9 = 17 8 + 4 = 12 8 + 10 = 18 8 + 11 = 19 8 + 3 = 11 7 + 7 = 14 9 + 7 = 16 6 + 7 = 13 10 + 7 = 17 11 + 7 = 18 5 + 7 = 12 12 + 7 = 19 4 + 7 = 11 1 + 14 = 15 2 + 13 = 15 3 + 12 = 15 4 + 11 = 15 5 + 10 = 15 6 + 9 = 15 33 + 93 = 126 16 + 18 = 34 13 + 79 = 92 23 + 95 = 118 45 + 37 = 82 80 + 88 = 168 59 - 44 = 15 98 - 83 = 15