Math Busters. ___________ 1. What A is equal to 0 in addition? ___________ 2. What I indicates the order of radical

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Math Busters. ___________ 1. What A is equal to 0 in addition?
___________ 2. What I indicates the order of radical number?
___________ 3. What D is the answer we get in subtraction?
___________ 4. What A is that branch of mathematics dealing with the operations of concrete numbers?
___________ 5. What C is a device that helps us in our computations? ___________ 6. What R is an axiom which states that a = a, (a € R)?___________ 7. What L is used whenever we add or subtract fractions?