89 加法 42 等于多少？

89 + 42 = 131

89加法42 等于 131

竖式演算

1189+42131

验算

  • 用减法验算：131 − 42 = 89
  • 用减法验算：131 − 89 = 42

相关题目

89 + 41 = 130 89 + 43 = 132 89 + 40 = 129 89 + 44 = 133 89 + 39 = 128 89 + 45 = 134 89 + 38 = 127 89 + 46 = 135 88 + 42 = 130 90 + 42 = 132 87 + 42 = 129 91 + 42 = 133 92 + 42 = 134 86 + 42 = 128 93 + 42 = 135 85 + 42 = 127 31 + 100 = 131 32 + 99 = 131 33 + 98 = 131 34 + 97 = 131 35 + 96 = 131 36 + 95 = 131 99 + 52 = 151 59 + 61 = 120 68 + 43 = 111 98 + 33 = 131 39 + 86 = 125 82 + 88 = 170 83 + 71 = 154 74 + 5 = 79