Mathematics
Senior High
1番だけでもいいのでやり方教えてください🙏
□82-2≦a≦31≦b≦4のとき、 次の式の値の範囲を求めよ。
(1) a+2
(2) 2a
(3) - 36
(4)* a+b
(5) 2a+36
(6)*2a-36
(2
AJ 78,79 89
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