Mathematics
Senior High
これを-2x-1<5x-41<2x+1で解いちゃいけないのはなぜですか？どうして場合わけをするのでしょうか？
za
11za.
[10 [シニア211] (1)
11
不等式|5x-41| <2x+1 を満たす整数xの最大値と最小値を求めよ。
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