(6.42-3.62) / 2.8 How much?

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(6.4²-3.6²) / 2.8 എത്ര ?

B10

C28

D100

Answer:

(6.4²-3.6²) = (6.4 + 3.6) (6.4 - 3.6)

= 10 x 2.8

= 28

(6.4²-3.6²) / 2.8 = 28 / 2.8

= 280/28

= 10

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