the sum of any two numbers and the sum obtained
by changing the order of those number s is the same.How is
this statement written using
letters for number? show step by step
1)a+b=x+y
2)a +b=b+a
(2) a×b=b×a
(4) a÷b=b÷a
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4
Answer:
The right answer is both 2
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