Algebra II : Elementary Operations
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Example Questions
Example Question #81 : Elementary Operations
Add the following numbers:
Add the ones digits.
The carryover is the tens place.
Add the tens digits.
The carryover for the next calculation is the tens place.
Combine this number with the ones digits of the previous calculations.
The answer is:
Example Question #82 : Elementary Operations
Add the following numbers:
Add the ones digits.
There is no carryover.
Add the tens digits.
There is also no carryover.
Add the hundreds digits.
The carryover is the tens digit.
Add the thousands digits with the carryover.
Combine this value with the ones digits of the previous calculations.
The answer is:
Example Question #81 : Addition And Subtraction
Add the numbers:
Add the ones digits.
The carryover is the tens digit.
Add the tens digits with the carryover.
The carryover is the tens digit.
Combine this value with the one digits of the previous calculations.
The answer is:
Example Question #84 : Elementary Operations
Add the following numbers:
Add the ones digits.
Carry over the tens digit to the next calculation.
Add the tens digits with the carryover.
Repeat the process for the hundreds digits.
Combine this number with the ones digits of the previous calculations.
The answer is:
Example Question #85 : Elementary Operations
Add the following numbers:
Add the ones digits.
Add the tens digit with the carryover, 3.
Combine this number with the ones digit of the first number.
The answer is:
Example Question #86 : Elementary Operations
Subtract the following numbers:
We cannot subtract the numbers like how we can easily add numbers. As a result, we will have to subtract each number at a time and this may be time consuming.
However, in order to save calculation time, we can simply take out a common factor of negative one so that we can add all the positive terms, and then subtract.
We can then rearrange the numbers to subtract.
Subtract the ones digits.
Borrow a one from the 2 in 218 and then subtract the tens digits. The hundreds digit becomes a 1.
Combine the hundreds digit with the other ones digits. The expression becomes:
The answer is:
Example Question #87 : Elementary Operations
Add the following numbers:
Add the ones digits.
Add the tens digits with the one as the carryover.
Add the hundreds digits with the new carryover.
Combine this number with the ones digits of the previous numbers.
The answer is:
Example Question #88 : Elementary Operations
Add the numbers:
Add the ones digits.
Add the tens digits with the one as the carryover.
Add the hundreds digits with the two as the carryover.
Combine this number with the ones digits of the previous calculations.
The answer is:
Example Question #89 : Elementary Operations
Add the following:
Add the ones digits.
Add the tens digits. There is no carryover.
Add the hundreds digits. The carryover is 1.
Combine this number with the ones digits of the previous calculations.
The answer is:
Example Question #90 : Elementary Operations
Add the following numbers:
Add the ones digits.
Add the tens digits with the 1 as the carryover.
Add the tens digits.
Add the hundreds digits with the 2 as the carryover.
Combine this value with the ones digits of the first two calculations.
The answer is:
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