Question

how to prove 45-45=45​

Answer 1

Answer:

45-45=45

Step-by-step explanation:

9+8+7+6+5+4+3+2+1=45

            subtract

1+2+3+4+5+6+7+8+9=45

   solution

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8+6+4+1+9+7+5+3+2= 45