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2022年初中数学黄金分割
2022-09-05'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})();...
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2022年初中数学知识点：等腰三角形
2022-09-05'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 分页标题 '); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,...
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2022年初中数学解直角三角形的依据
2022-09-05'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 解直角三角形的依据...
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2022年初中数学知识点：解直角三角形
2022-09-05'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 分页标题 '); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,...
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2022年初中数学直角三角形判定公式
2022-09-05'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 判定1 有一个角为90的三角形是直角三角形。 判定2 若a的平方+b的平方=c的平方，则以a、...
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2022年初中数学相似三角形的性质定理
2022-09-05'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 相似三角形的性质定理： (1)相似三角形的对应角相等。 (2)相似三角形的对应边成比例。...
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2022年初中数学：直角三角形相似
2022-09-05'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 直角三角形相似： (1)直角三角形被斜边上的高分成两个直角三角形和原三角形相似。...
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2022年初中数学知识点：三角形
2022-09-05'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})();...
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2022年初中数学知识点：全等三角形
2022-09-05'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 分页标题 '); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,...
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2022年初中数学等腰三角形性质第1课时练习题
2022-08-24'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 2022年初中数学等腰三角形性质第1课时练习题 分页标题 '); (window.slotbydup=window.slot...