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1743| 12
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请问卡梅伦先生“9乘8等于多少?” |
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点评
啊,这么说起来也是呢!
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点评
难道不是嘛
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点评
1212口诀表也简单,十位数和个位数相加就是结果的十位数,12x12是144好像都能想起来~
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