Mathematics
Senior High
この問題は分母の有理化なのですが、なぜ分母に(√5-√2)をかけるんですか?
(√5+√2)をかけるのはだめなんですか?
2/+ 9/ 由
h
_ (6/こ90(2/197)_
CR
Osadl
でて//説
6
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