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發表於 2008-1-24 12:46 AM
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$5 x durian + $1 x mango + $0.05 x rambutan = 100
2 R! `# W$ E7 |6 @4 ^7 l# mNo. of durian + No. of mango + No. of rambutan = 100公仔箱論壇8 ^9 M# i: `; o1 H
These give
2 ^4 o- M1 S: m1 \* H1 n19 durians, 1 mango and 80 rambutans |
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