回答編集履歴
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修正
answer
CHANGED
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@@ -1,7 +1,22 @@
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newcalc.h:
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```C++
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3
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#ifndef NEWCALC_H__
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#define NEWCALC_H__
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6
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#include "fundcalc.h"
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7
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class NewCalc : public FundCalc {
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public:
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-
double mul()
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10
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double mul();
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5
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double div()
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11
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double div();
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};
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#endif
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14
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```
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15
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16
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newcalc.cpp:
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17
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```C++
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18
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#include "newcalc.h"
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double NewCalc::mul() { return getNumber1() * getNumber2(); }
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double NewCalc::div() { return getNumber1() / getNumber2(); }
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7
22
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```
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