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Learn Simple Math | Variables
Introduction to C++ | Mobile-Friendly

bookSimple Math

To perform arithmetic operations on variables and values C++ supports the following arithmetic operators:

Let’s try:

int sum = 10 + 3; // 13
int dif = 10 - 3; // 7
int mul = 10 * 3; // 30
int div = 10 / 3; // 3
int mod = 10 % 3; // 1

By division, any remainder was dropped since we assign the result to the int variable which doesn’t contain any decimals.

You can use all operations above to perform calculations on values, variables, or between variable and value:

double a = 32.1 + 13.2;    // 45.3 
double b = a + 25.3;       // 45.3 + 25.3 = 70.6
double c = a + b;          // 70.6 + 45.3 = 115.9
question mark

The velocity of the car is 27 miles per hour. After 3 hours, how many miles will it drive? Choose the line which solves this excersice.

Select the correct answer

Everything was clear?

How can we improve it?

Thanks for your feedback!

SectionΒ 2. ChapterΒ 5

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bookSimple Math

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To perform arithmetic operations on variables and values C++ supports the following arithmetic operators:

Let’s try:

int sum = 10 + 3; // 13
int dif = 10 - 3; // 7
int mul = 10 * 3; // 30
int div = 10 / 3; // 3
int mod = 10 % 3; // 1

By division, any remainder was dropped since we assign the result to the int variable which doesn’t contain any decimals.

You can use all operations above to perform calculations on values, variables, or between variable and value:

double a = 32.1 + 13.2;    // 45.3 
double b = a + 25.3;       // 45.3 + 25.3 = 70.6
double c = a + b;          // 70.6 + 45.3 = 115.9
question mark

The velocity of the car is 27 miles per hour. After 3 hours, how many miles will it drive? Choose the line which solves this excersice.

Select the correct answer

Everything was clear?

How can we improve it?

Thanks for your feedback!

SectionΒ 2. ChapterΒ 5
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