196 - 2 : 7 ( 1,2 - 1 - 0,25 )
Evaluate
\frac{13721}{70}\approx 196,014285714
Factor
\frac{13721}{2 \cdot 5 \cdot 7} = 196\frac{1}{70} = 196.0142857142857
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196-\frac{2}{7}\left(0,2-0,25\right)
Subtract 1 from 1,2 to get 0,2.
196-\frac{2}{7}\left(-0,05\right)
Subtract 0,25 from 0,2 to get -0,05.
196-\frac{2}{7}\left(-\frac{1}{20}\right)
Convert decimal number -0,05 to fraction -\frac{5}{100}. Reduce the fraction -\frac{5}{100} to lowest terms by extracting and canceling out 5.
196-\frac{2\left(-1\right)}{7\times 20}
Multiply \frac{2}{7} times -\frac{1}{20} by multiplying numerator times numerator and denominator times denominator.
196-\frac{-2}{140}
Do the multiplications in the fraction \frac{2\left(-1\right)}{7\times 20}.
196-\left(-\frac{1}{70}\right)
Reduce the fraction \frac{-2}{140} to lowest terms by extracting and canceling out 2.
196+\frac{1}{70}
The opposite of -\frac{1}{70} is \frac{1}{70}.
\frac{13720}{70}+\frac{1}{70}
Convert 196 to fraction \frac{13720}{70}.
\frac{13720+1}{70}
Since \frac{13720}{70} and \frac{1}{70} have the same denominator, add them by adding their numerators.
\frac{13721}{70}
Add 13720 and 1 to get 13721.
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}