Question

$\it 10-10\sqrt2:5\sqrt2=?\\ \\ 10-10\cdot2:5\cdot2=?$

Answer 1

10 - 10√2 : 5√2 = 10 - 2 = 8

10 - 10 x 2 : 5 x 2 = 10 - 20 : 5 x 2 = 10 - 4 x 2 =  10 - 8 = 2

Answer 2

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