NCERT Figure it Out 3 - Cycles and 37 - Algebra Play

Question: For digits a, b, c form abc, bca, cab and add them. Justify divisibility by 37 and by 3.

Answer: Sum = 111(a+b+c), always divisible by 37 and by 3.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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