40 减法 40 等于多少？

40 - 40 = 0

40减法40 等于 0

竖式演算

40-400

验算

  • 用加法验算：0 + 40 = 40

相关题目

40 - 39 = 1 40 - 38 = 2 40 - 37 = 3 40 - 36 = 4 40 - 35 = 5 40 - 34 = 6 40 - 33 = 7 40 - 32 = 8 41 - 40 = 1 42 - 40 = 2 43 - 40 = 3 44 - 40 = 4 45 - 40 = 5 46 - 40 = 6 47 - 40 = 7 48 - 40 = 8 1 - 1 = 0 2 - 2 = 0 3 - 3 = 0 4 - 4 = 0 5 - 5 = 0 6 - 6 = 0 38 - 7 = 31 43 - 22 = 21 98 - 68 = 30 67 - 52 = 15 45 - 22 = 23 69 - 37 = 32 76 - 50 = 26 75 - 34 = 41