Basic Math Examples

453
Step 1
Multiply using long multiplication.
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Step 1.1
Multiply 3 by 5. Place the ones digit (5) in the result line and carry the tens digit (1). There is one result line for each digit in 3.
1
45
×3
5
Step 1.2
Multiply 3 by 4 and add the carried 1. Place the ones digit (3) in the result line and carry the tens digit (1). There is one result line for each digit in the 3.
45
×3
135
Step 1.3
Add the numbers in each column. In this case, add 5, then place the 5 in the result line.
45
×3
135
5
Step 1.4
Add the numbers in each column. In this case, add 3, then place the 3 in the result line.
45
×3
135
35
Step 1.5
Add the numbers in each column. In this case, add 1, then place the 1 in the result line.
45
×3
135
135
45
×3
135
135
Step 2
The result of 453 is 135.
135
 x2  12  π  xdx