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2026年秋新教材|小学四年级上册数学电子课本北师大版

  • 2026-09-09 05:55:11
2026年秋新教材|小学四年级上册数学电子课本北师大版

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各位老师家长好，今天小编分享的是北师大版四年级上册数学课本电子版，2026秋季新版高清PDF，可打印。四年级跨到“亿以内的大数”和负数概念。暑假先把数位顺序表理清楚，大数读写全指着这个基础。负数用温度计理解——“零下几度”就是负数，生活里到处是例子。概念通了再进计算。存一份，心里有底。
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预习提示：数位顺序表背下来，负数用“零下几度”理解。

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