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求二次函数f(x)=-x^2+ax+3区间[-2,3]上的最大值
Author:
秉公教育
GeoGebra
New Resources
世界平面地圖 (Codex╱2026.10.07)
近似值:有效數字
Nested spiral octagon
國旗 (作圖步驟直接餵給 Claude)
國旗 (Claude 版)
Discover Resources
橢圓
horizontal
柱體斜切
「相似三角形」任务2的副本
面积
Discover Topics
Probability
Pythagoras or Pythagorean Theorem
Function Graph
Fractions
Bar Chart or Bar Graph