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商的变化规律（一）｜四年级（上）《除数是两位数的除法》重难点
两个数相除，被除数不变，除数乘以几，商除以几；除数除以几，商乘以几（0除外）
除数是两位数的除法｜四年级（上）第六单元4/10
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App03:31![商是两位数的除法｜四年级上第六单元[除数是两位数的除法]重难点](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/dab5d646f5734d5cb09c3695a5d21fca~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202503130501003E2C299842E5C3687420&requestFrom=704&version_code=80402&x-expires=1773349261&x-signature=SiWZwYHkbcpxShk4gPD7vjGwYVc%3D)
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App02:27两个数相除，被除数不变，除数乘以几，商除以几；除数除以几，商乘以几（0除外）
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