Question

calcule: a) -√54 -2√486 -√294 b) √128 +√50 -√98 +√242 c) 3√8 -7√50


me ajudem por favor

Answer 1

a) -√54 -2√486 -√294 =
-7,348-44,090-17,146 = -68,584

b) √128 +√50 -√98 +√242=
11,313+7,071-9,899+15,556 =
33,940-9,899 = 24,041

c) 3√8 -7√50=
8,485-49,497 = -41,012
Um abraço.