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Addends
Don't want to sound brash but your complete check was not so complete if it didn't find the problem. A complete check will narrow down your problem to just a couple of choices on a engine miss problem. I would redo your complete check
the missing number or what you are solving for in a problem is the
You multiply two (or more) numbers together.
The numbers being added are called the addends. The answer to the problem is called sum.
bloody tricky
the mean, also known as the average is calculated by adding up all the numbers together then dividing that by how many numbers you added together.
Two or more numbers that are multiplied together are called factors. The solution to a multiplication problem is called a product.
6 = - 17 is a false statement However, it may mean that an operator is missing so that the numbers have run together. 6 = (-1) + 7 By putting the operator + between the numbers -1 and 7, it becomes a true statement.
A product is the result of multiplying 2 numbers together.
The answer to an addition problem is called the sum.
The problem is complete. There is enough information there for it to be solved.