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 17 + 61 = 78 13 + 15 = 28 3 + 85 = 88 55 + 30 = 85 74 + 1 = 75 42 + 51 = 93 92 - 52 = 40 77 - 37 = 40