题目

用12的因数组成一个比值最大的比例式是。 答案:【1】12∶2=6∶1抗日战争胜利的原因和意义分别是什么?                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
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