Mathematics
Senior High
青丸のマイナスが２つあればプラスできてしまいますか？
2(115)
(1+12) -3
2(1+√2)
(3+2√52)=3
2 (1-√2)
(1-)-3
2(1-√2)
(3-2√2)-3
2(1+ √2) 211-√2)
2√2
02/2
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