10 加法 30 等于多少？

10 + 30 = 40

10加法30 等于 40

竖式演算

10+3040

验算

  • 用减法验算：40 − 30 = 10
  • 用减法验算：40 − 10 = 30

相关题目

10 + 29 = 39 10 + 31 = 41 10 + 28 = 38 10 + 32 = 42 10 + 33 = 43 10 + 27 = 37 10 + 34 = 44 10 + 26 = 36 11 + 30 = 41 9 + 30 = 39 12 + 30 = 42 8 + 30 = 38 13 + 30 = 43 7 + 30 = 37 14 + 30 = 44 6 + 30 = 36 1 + 39 = 40 2 + 38 = 40 3 + 37 = 40 4 + 36 = 40 5 + 35 = 40 6 + 34 = 40 62 + 21 = 83 93 + 6 = 99 60 + 29 = 89 21 + 8 = 29 1 + 46 = 47 56 + 3 = 59 74 - 34 = 40 98 - 58 = 40