①6=√36
√36×√2
=√72
②√28
･素数で割る
√(2×2)×7
=2√7
③分子と分母両方に分母を掛ける
√3×√5
－－－
√5×√5
=√15
－－－
5
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①6=√36
√36×√2
=√72
②√28
･素数で割る
√(2×2)×7
=2√7
③分子と分母両方に分母を掛ける
√3×√5
－－－
√5×√5
=√15
－－－
5
Users viewing this question
are also looking at these questions 😉
ありがとうございました！
わかりやすくて、よくわかりました！