document.write("·<a href='/html/2/soft_view/77/115100.html' target='_blank'>Ａ版二倍角的正弦、余弦、正切公式</a><BR>·<a href='/html/2/soft_view/77/114499.html' target='_blank'>单值对应与一一对应说课</a><BR>·<a href='/html/2/soft_view/77/114389.html' target='_blank'>二倍角的正弦余弦正切3</a><BR>·<a href='/html/2/soft_view/77/115067.html' target='_blank'>长方形、正方形和平行四边形</a><BR>·<a href='/html/2/soft_view/77/114756.html' target='_blank'>指数函数第二节</a><BR>·<a href='/html/2/soft_view/77/114832.html' target='_blank'>有向线段9924771173</a><BR>·<a href='/html/2/soft_view/77/114852.html' target='_blank'>椭圆与圆</a><BR>·<a href='/html/2/soft_view/77/114877.html' target='_blank'>正、余弦函数的图象和</a><BR>·<a href='/html/2/soft_view/77/114924.html' target='_blank'>正弦定理、余弦定理9924771321</a><BR>·<a href='/html/2/soft_view/77/114355.html' target='_blank'>不等式的性质</a><BR>")