Mathematics
Junior High
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
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求解🥹
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