 鲜花( 634)  鸡蛋( 5)
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Originally posted by knptmug at 2005-4-20 09:47 PM:
8 Z, y, U v3 w: `set small watermelon: x, middle watermelon y and big watermeton z
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4 C" f- w5 _5 L7 {' N/ a9 Ktwo simultaneous equations are set up:( i& { n: B! V# r- a" O
0.5x+2y+5z=50 (1)
3 f2 x- i& b, G( L3 tx+y+z=50 (2)
' b- v4 H5 s+ p1 d" GEquation(1) means that the total amount paid is equal t ...
, D( e! x q/ X3 ? u. A5 D% m:lol::lol:* ~- \6 z0 o) y1 [, U7 O
楼主的标题就是给你写的!
& y, ^+ L3 n" i3 Y9 j; L你看看我们智力超群的同学们回答的都多好啊! |
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