Physics
Senior High
Resolved
この2問教えてください
(2) 次の①、②について, 有効数字を考慮して計算せよ。
① 縦 2.1cm, 横 1.05cm の長方形の面積 [cm2]
6
② 長さ 1.2m の棒に長さ 0.85m の棒をつぎ足した長さ [m]
7
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