AB:BD=2/3
CD:AC=3/4
if AD=1, then AB=2/5, CD=3/7 and then BC=6/35
know one area and can solve the rest
AB:BD=2/3
CD:AC=3/4
if AD=1, then AB=2/5, CD=3/7 and then BC=6/35
know one area and can solve the rest
• 這也是我的解法,我還有另一解: -萬斤油- ♂ (319 bytes) () 12/23/2023 postreply 19:16:08
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