Evaluate
\frac{1282}{3}\approx 427.333333333
Factor
\frac{2 \cdot 641}{3} = 427\frac{1}{3} = 427.3333333333333
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\begin{array}{l}\phantom{12)}\phantom{1}\\12\overline{)5128}\\\end{array}
Use the 1^{st} digit 5 from dividend 5128
\begin{array}{l}\phantom{12)}0\phantom{2}\\12\overline{)5128}\\\end{array}
Since 5 is less than 12, use the next digit 1 from dividend 5128 and add 0 to the quotient
\begin{array}{l}\phantom{12)}0\phantom{3}\\12\overline{)5128}\\\end{array}
Use the 2^{nd} digit 1 from dividend 5128
\begin{array}{l}\phantom{12)}04\phantom{4}\\12\overline{)5128}\\\phantom{12)}\underline{\phantom{}48\phantom{99}}\\\phantom{12)9}3\\\end{array}
Find closest multiple of 12 to 51. We see that 4 \times 12 = 48 is the nearest. Now subtract 48 from 51 to get reminder 3. Add 4 to quotient.
\begin{array}{l}\phantom{12)}04\phantom{5}\\12\overline{)5128}\\\phantom{12)}\underline{\phantom{}48\phantom{99}}\\\phantom{12)9}32\\\end{array}
Use the 3^{rd} digit 2 from dividend 5128
\begin{array}{l}\phantom{12)}042\phantom{6}\\12\overline{)5128}\\\phantom{12)}\underline{\phantom{}48\phantom{99}}\\\phantom{12)9}32\\\phantom{12)}\underline{\phantom{9}24\phantom{9}}\\\phantom{12)99}8\\\end{array}
Find closest multiple of 12 to 32. We see that 2 \times 12 = 24 is the nearest. Now subtract 24 from 32 to get reminder 8. Add 2 to quotient.
\begin{array}{l}\phantom{12)}042\phantom{7}\\12\overline{)5128}\\\phantom{12)}\underline{\phantom{}48\phantom{99}}\\\phantom{12)9}32\\\phantom{12)}\underline{\phantom{9}24\phantom{9}}\\\phantom{12)99}88\\\end{array}
Use the 4^{th} digit 8 from dividend 5128
\begin{array}{l}\phantom{12)}0427\phantom{8}\\12\overline{)5128}\\\phantom{12)}\underline{\phantom{}48\phantom{99}}\\\phantom{12)9}32\\\phantom{12)}\underline{\phantom{9}24\phantom{9}}\\\phantom{12)99}88\\\phantom{12)}\underline{\phantom{99}84\phantom{}}\\\phantom{12)999}4\\\end{array}
Find closest multiple of 12 to 88. We see that 7 \times 12 = 84 is the nearest. Now subtract 84 from 88 to get reminder 4. Add 7 to quotient.
\text{Quotient: }427 \text{Reminder: }4
Since 4 is less than 12, stop the division. The reminder is 4. The topmost line 0427 is the quotient. Remove all zeros at the start of the quotient to get the actual quotient 427.
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}