Paper2 有一提问 shaded region perimeter 得你们算对了吗?
要算外面 quadrant circle 得perimeter 还要加 ...
QKeitaroQ 发表于 2012-11-8 02:20 PM
回复 QKeitaroQ
它不是只问perimeter of whole diagram 咩?
area的才是shaded region啊...
lollipopF 发表于 2012-11-8 02:58 PM
回复 【祥尐】
Math paper 1 answer
1-10 DCBDC BABDC
11-20 BDCAC AACBD
21-30 ADDAD DCACA ...
pohnie27 发表于 2012-11-8 02:49 PM
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