| Brain Exercise (2) |
| 送交者: ultrasound 2005年12月12日15:06:15 于 [灵机一动] 发送悄悄话 |
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** / *** + ** / ** = 17 each of the * represents a number ( 0 to 9) or (1 to 9, if you want to exercise more). What are they? |
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