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Mathematics
初中
魚湯湯
魚湯湯

求解🥹

2. 請利用乘法公式(a+b)(a-b)=2-b²,計算 1 + 1 + 1 √√√2+1√√3+√√√2 √√√4 + √√3 =? 【解】 1 + + V49+~48
國二上數學
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