[中學] 高中數學競賽
根號(x+4)^2 +1 + 根號(x-4)^2 +1 = 10
求實根 x=???
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推
07/07 00:23, , 1F
07/07 00:23, 1F
→
07/07 00:24, , 2F
07/07 00:24, 2F
→
07/07 00:24, , 3F
07/07 00:24, 3F
推
07/07 00:26, , 4F
07/07 00:26, 4F
推
07/07 00:32, , 5F
07/07 00:32, 5F
→
07/07 00:32, , 6F
07/07 00:32, 6F
→
07/07 00:36, , 7F
07/07 00:36, 7F
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