Mathematics
Senior High
Solved
数学Iの命題の真偽を調べ、偽である場合は反例を書きなさいという問題です。
（4）の反例が分かりません。誰か教えてください！
(2) x=25 =→ =5
反例は(x=ー)
(3) x=-3=→ xパ=9
反例は(x=
へ
(4) x<2 => パ<4
反例は(x= )
n110当羽書DO01
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ありがとうございます！！