Rozwiąż zadanie:
√10*(2√20-7√8-4√5-2√18)
√10*(2√20-7√8-4√5-2√18) = √10*(2*2√5-7*2√2-4√5-2*3√2) = √10*(4√5-14√2-4√5-6√2) = √10*(-20√2) = -20√20 = -20*2√5 = -40√5
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√10*(2√20-7√8-4√5-2√18) = √10*(2*2√5-7*2√2-4√5-2*3√2) = √10*(4√5-14√2-4√5-6√2) = √10*(-20√2) = -20√20 = -20*2√5 = -40√5