how we can we check the answer of addition and substraction
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Step-by-step explanation:
Do the opposite thing. , if you want to check the answer that your sum is correct or not then, subtract the sum and one of the the number given to add . the answer is the rest number . Do same thing in subtraction , add difference and one of the number given, the answer is the rest number.
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we can check the answer of addition and subtraction
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