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我会巧算:191+192+193+194+195+196+197+198+199=195×.
题目详情
我会巧算:
191+192+193+194+195+196+197+198+199=195×______.
191+192+193+194+195+196+197+198+199=195×______.
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答案和解析
191+192+193+194+195+196+197+198+199=195×9.
故答案为:9.
故答案为:9.
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