小数の足し算の結果が手計算と一致しないのはなぜですか?
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小数の足し算の結果が手計算と一致しないのはなぜですか?
例えば、
>> 1 -(0.7 + 0.18 + 0.12)
ans =
1.110223024625157e-16
となります。
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