Check the addition fact (by casting out nine): 3356 + 4729 =8085
Answers
Answer:
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Answer:
The given addition of two numbers have been successfully verified and found to be correct.
Step-by-step explanation:
Casting out nines:
Casting out nines may be a very common rule used in the primary school. During that point, there weren't any calculators in the classroom to check the right result of a certain mathematical operation. it's known as “the casting out of nines” or “the rule of the nine out”. It are often used to validate the result of the four basic arithmetic operations: the addition, the subtraction, the multiplication and therefore the division.
Test for Addition:
Now, we are given the addition: 3356+4729=8085, Verifying it through the following steps, we get:
- First casting out nines from the first number and adding its digits, we get:
3+3+5+6 = 1+7 = 8 - Now, Casting out nines from the second number, we get:
4+7+2+9 = 2+2 = 4 - Now, casting out nines from the sum of the above two results:
8+4 = 1+2 = 3 - Thus, the results of the L.H.S. are obtained to be: 3.
- Now, casting out nines from the R.H.S., we get:
8+0+8+5 = 2+1 = 3 - Thus, the Results of the R.H.S. are also the same as L.H.S..
As both the sides of the equality sign are giving the same results, the given operation is correct.
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