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圓周 (圖形D) 的複本
Author:
Michael Ma
,
Keith Ko
移動右圖中的紅線到左方虛線,就知道它是相等於左圖的哪條線。
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【案例】2013年安徽高考15题
柱體建築師
兩位數除以一位數(二)
拼砌四邊形
判斷球體
Discover Resources
平行四邊形變奏II
折扣 例5
Statistical calculator
Tool4P
等分旋轉
Discover Topics
Square
Multiplication
Pythagoras or Pythagorean Theorem
Binomial Distribution
Combinatorics