[ ( 13 - 11 \frac { 1 } { 2 } ) : 0,03 ] \cdot 0,026 =
Evaluate
1,3
Factor
\frac{13}{2 \cdot 5} = 1\frac{3}{10} = 1.3
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\frac{13-\frac{22+1}{2}}{0,03}\times 0,026
Multiply 11 and 2 to get 22.
\frac{13-\frac{23}{2}}{0,03}\times 0,026
Add 22 and 1 to get 23.
\frac{\frac{26}{2}-\frac{23}{2}}{0,03}\times 0,026
Convert 13 to fraction \frac{26}{2}.
\frac{\frac{26-23}{2}}{0,03}\times 0,026
Since \frac{26}{2} and \frac{23}{2} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{3}{2}}{0,03}\times 0,026
Subtract 23 from 26 to get 3.
\frac{3}{2\times 0,03}\times 0,026
Express \frac{\frac{3}{2}}{0,03} as a single fraction.
\frac{3}{0,06}\times 0,026
Multiply 2 and 0,03 to get 0,06.
\frac{300}{6}\times 0,026
Expand \frac{3}{0,06} by multiplying both numerator and the denominator by 100.
50\times 0,026
Divide 300 by 6 to get 50.
1,3
Multiply 50 and 0,026 to get 1,3.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}