Basic Math Examples

0

$0$ ,

78

$78$

Step 1

The mean of a set of numbers is the sum divided by the number of terms.

\frac{0 + 78}{2}

$\frac{0 + 78}{2}$

Step 2

Cancel the common factor of

0 + 78

$0 + 78$ and

2

$2$ .

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Step 2.1

Factor

2

$2$ out of

0

$0$ .

\frac{2 \cdot 0 + 78}{2}

$\frac{2 \cdot 0 + 78}{2}$

Step 2.2

Factor

2

$2$ out of

78

$78$ .

\frac{2 \cdot 0 + 2 \cdot 39}{2}

$\frac{2 \cdot 0 + 2 \cdot 39}{2}$

Step 2.3

Factor

2

$2$ out of

2 \cdot 0 + 2 \cdot 39

$2 \cdot 0 + 2 \cdot 39$ .

\frac{2 \cdot (0 + 39)}{2}

$\frac{2 \cdot (0 + 39)}{2}$

Step 2.4

Cancel the common factors.

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Step 2.4.1

Factor

2

$2$ out of

2

$2$ .

\frac{2 \cdot (0 + 39)}{2 (1)}

$\frac{2 \cdot (0 + 39)}{2 (1)}$

Step 2.4.2

Cancel the common factor.

$\frac{2 \cdot (0 + 39)}{2 \cdot 1}$

Step 2.4.3

Rewrite the expression.

$\frac{0 + 39}{1}$

Step 2.4.4

Divide

$0 + 39$ by

$1$ .

$0 + 39$

Step 3

Add

$0$ and

$39$ .

$39$