基礎的geometry, percentage, the number system
甚麼equilateral triangle, percent increase...
increase/decrease, maximise/minimise, triangle/rhombus, equilateral/isoceles ......
equilateral == equal + lateral
你今天方溫,當然會覺得樣樣都難;但過多幾年,見慣見熟就很簡單了。醫生都是這樣記那些複雜的病名。

同意