1. R/2+7=11
2. 12+H/2=16
數學好難呀!!!!!!!!!!!!!!!
2008-07-26 7:47 am
回答 (3)
2008-07-26 7:55 am
R/2+7=11
R/2=4...........R/2+7-7=11-7
R=8..............R/2 x 2 =4*2
12+H/2=16
H/2=4...........H/2+12-12=16-12
H/2=8...........H/2 x 2=4*2
R/2=4...........R/2+7-7=11-7
R=8..............R/2 x 2 =4*2
12+H/2=16
H/2=4...........H/2+12-12=16-12
H/2=8...........H/2 x 2=4*2
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https://hk.answers.yahoo.com/question/index?qid=20080725000051KK03320