問題(a+b√2+c√5+d√10+e√-1+f√-2+g√-5+h√-10)(a-b√2+c√5-d√10+e√-1-f√-2+g√-5-h√-10) (a+b√2-c√5-d√10+e√-1+f√-2-g√-5-h√-10)(a-b√2-c√5+d√10+e√-1-f√-2-g√-5+h√-10)(a+b√2+c√5+d√10-e√-1-f√-2-g√-5-h√-10)(a-b√2+c√5-d√10-...