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發表於 2008-1-24 12:46 AM
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$5 x durian + $1 x mango + $0.05 x rambutan = 100
: B& Q) l9 d5 ^* z% ]8 NNo. of durian + No. of mango + No. of rambutan = 100
1 ^' E$ c3 X! R; q( x/ i$ F* x5.39.217.77These give
9 w, u3 v) H1 X. ]5.39.217.7719 durians, 1 mango and 80 rambutans |
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