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發表於 2012-3-7 02:59 PM
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The answer is 91
7 U( R7 \& t. J$ B4 p5.39.217.77:88981 row 3x4+1x3=155.39.217.77:88980 I; y A$ q/ w5 c9 A2 Z
2 row 4x5+2x4=28" u& K3 W, P7 K3 a- ~
3 row 5x6+3x5=45
0 I8 |! t' Y! Z+ f$ _. C4 row 6x7+4x6=665.39.217.77:8898. n/ \7 m0 \7 M; z. \
5 row 7x8+5x7=91 |
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