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Answers
35.0✕(75.8/100)+37.0✕(24.2/100)
=35.0✕(75.8/100)+37.0✕{(100-75.8)/100}
=35.0✕(75.8/100)+37.0✕(100/100)-37.0✕(75.8/100)
=(35.0-37.0)✕(75.8/100)+37.0✕1 1は理論値
=(-2.0)✕(75.8/100)+37.0
=37.0-2.0✕(75.8/100) 最後は引き算。有効位は1/10位
=37.0-(151.6/100) 途中計算は1/100位まで。
=37.0-1.516
≒37.0-1.52 途中計算なので、1/100位に四捨五入。
≒35.48
≒35.5 結果は、有効位は1/10位まで。
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