What is longmult 12*11 ?

The solution to longmult 12*11 is 132

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longmult 12*11

long multiplication

12 \cdot 11

132

Solution steps

12 \cdot 11

Line up the numbers

\times 1121

Multiply the top number by the bottom number one digit at a time starting with the ones digit (from right to left)

Multiply the top number by the bolded digit of the bottom number

\times 1121

Mutliply the bold numbers:

2 \cdot 1 = 2

\frac{\times 1 1 2 1}{2}

Mutliply the bold numbers:

1 \cdot 1 = 1

\frac{\times 1 1 2 1}{1 2}

Multiply the top number by the bolded digit of the bottom number

\frac{\times 1 1 2 1}{1 2}

Mutliply the bold numbers:

2 \cdot 1 = 2

\frac{\times 1 1 2 1}{1 2 2}

Mutliply the bold numbers:

1 \cdot 1 = 1

\frac{\times 1 1 2 1}{1 1 2 2}

Add the rows to get the answer. For simplicity, fill in trailing zeros

\frac{\times 1 1 2 1}{0 1 1 2 2 0}

12 + 120 = 132

+ 011220

Add the digits of the bolded column:

2 + 0 = 2

\frac{+ 0 1 1 2 2 0}{+ 2}

Add the digits of the bolded column:

1 + 2 = 3

\frac{+ 0 1 1 2 2 0}{+ 3 2}

Add the digits of the bolded column:

0 + 1 = 1

\frac{+ 0 1 1 2 2 0}{+ 1 3 2}

= 132

= 132

10 - 9 \cdot \frac{24}{8} \cdot 6

\frac{225}{5}

\frac{243}{3}

\frac{84}{7}

2^{2} + 2