回答編集履歴
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修正
test
CHANGED
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@@ -1,13 +1,43 @@
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newcalc.h:
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```C++
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4
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5
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#ifndef NEWCALC_H__
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7
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#define NEWCALC_H__
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9
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10
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11
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#include "fundcalc.h"
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12
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13
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2
14
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class NewCalc : public FundCalc {
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16
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public:
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7
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double mul()
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double mul();
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9
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double div()
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double div();
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};
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#endif
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```
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28
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29
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30
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31
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newcalc.cpp:
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32
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33
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```C++
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34
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#include "newcalc.h"
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36
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37
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double NewCalc::mul() { return getNumber1() * getNumber2(); }
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double NewCalc::div() { return getNumber1() / getNumber2(); }
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42
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43
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```
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