Basic Math Examples

Evaluate 17*18
17181718
Step 1
Multiply using long multiplication.
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Step 1.1
Multiply 88 by 77. Place the ones digit (6)(6) in the result line and carry the tens digit (5)(5). There is one result line for each digit in 1818.
55
1177
×1188
66
Step 1.2
Multiply 88 by 11 and add the carried 55. Place the ones digit (3)(3) in the result line and carry the tens digit (1)(1). There is one result line for each digit in the 1818.
1177
×1188
113366
Step 1.3
Multiply 11 by 77. Place the result in the next column in the result line. There is one result line for each digit in 1818.
1177
×1188
113366
77
Step 1.4
Multiply 11 by 11. Place the result in the next column in the result line. There is one result line for each digit in 1818.
1177
×1188
113366
1177
Step 1.5
Add the numbers in each column. In this case, add 6+06+0, then place the 66 in the result line.
1177
×1188
113366
1177
66
Step 1.6
Add the numbers in each column. In this case, add 3+73+7, then place the 00 in the result line and carry the 11.
1177
×1188
113366
1177
0066
Step 1.7
Add the numbers in each column. In this case, add 1+1+11+1+1, then place the 33 in the result line.
1177
×1188
113366
1177
330066
1177
×1188
113366
1177
330066
Step 2
The result of 17181718 is 306306.
306306
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 [x2  12  π  xdx ]  x2  12  π  xdx