[有理数] 2022初中数学：同底数幂的乘法 2022-05-31
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[有理数] 2022初中数学：空间图形与证明 2022-05-31
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 点线面相交线平行线和视图 直线、射线和线段 1、几何图形 从实物中抽象出来的各种图...
[有理数] 2022年初中数学：混合运算法则 2022-05-31
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 混合运算法则 先乘方，后乘除，最后加减；注意：怎样算简单，怎样算准确，是数学计...
[有理数] 2022年初中数学：相反数 2022-05-31
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 相反数 (1)只有符号不同的两个数，我们说其中一个是另一个的相反数；0的相反数还是...
[三角形] 2022年初中数学勾股定理的证明方法七 2022-05-31
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[三角形] 2022年初中数学勾股定理的证明方法六 2022-05-31
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[三角形] 2022年初中数学勾股定理的证明方法十四 2022-05-31
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 勾股定理的证明方法十四...
[三角形] 2022年初中数学勾股定理的证明方法五 2022-05-31
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[三角形] 2022年初中数学勾股定理的证明方法十三 2022-05-31
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 勾股定理的证明方法十三...
[三角形] 2022年初中数学勾股定理的证明方法四 2022-05-31
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 勾股定理的证明方法四...