1+1*2/5

Solution

1 + 1 \cdot \frac{2}{5}

1 \frac{2}{5}

Solution steps

1 + 1 \cdot \frac{2}{5}

Follow the PEMDAS order of operations

Multiply and divide (left to right)

1 \cdot \frac{2}{5} : \frac{2}{5}

= 1 + \frac{2}{5}

Add and subtract (left to right)

1 + \frac{2}{5} : \frac{7}{5}

= \frac{7}{5}

Convert improper fractions to mixed numbers:

\frac{7}{5} = 1 \frac{2}{5}

= 1 \frac{2}{5}

2 (2) + 2

21 - 3 - 4 \cdot 4 - 5 \cdot 3

- 2 (- 3)^{2}

1^{2} + 3^{2}

2^{4} \cdot 3^{2}