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');
(window.slotbydup=window.slotbydup || []).push({
id: '8096091',
container: s,
size: '580,90',
display: 'inlay-fix'
});
})();
顶点式 y=a(x−h)2+k 该抛物线的顶点是(h,k)，对称轴是直线x=h.
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|
');
(window.slotbydup=window.slotbydup || []).push({
id: '8096091',
container: s,
size: '580,90',
display: 'inlay-fix'
});
})();
顶点式 y=a(x−h)2+k 该抛物线的顶点是(h,k)，对称轴是直线x=h.
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