回答編集履歴
1
修正
answer
CHANGED
@@ -16,7 +16,7 @@
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16
16
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17
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private void button1_Click(object sender, EventArgs e)
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{
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19
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-
MessageBox.Show((2
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19
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+
MessageBox.Show(Caluculation.Sum(2, 3).ToString());
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}
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}
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public static class Caluculation
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