Question

Решите пожалуйста 334-336 чётные примеры

Answer 1

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Answer 2

$334) 2) 0,8sqrt{54,76}+9/10*sqrt{2,25}-sqrt{79,21}=0,8*7,4+0,9*1,5=7,27 4) 48*sqrt{49/256}-26/3* sqrt{900/169}+62* sqrt{144/961}= 48*7/16-26/3*30/13+62*12/31=336/16-0,2+744/31=21-0,2+24=44,8$$335) 2) (sqrt{43}-5)^{2}+10(sqrt{43}-0,2) =(sqrt{43})^{2}-10sqrt{43}+25+10sqrt{43}-2=43+25-2=70 4) (sqrt{2}-sqrt{15})^{2}+(sqrt{6}+sqrt{5})^{2} =(sqrt{2})^{2}-2sqrt{30}+(sqrt{15})^{2}+(sqrt{6})^{2}+2sqrt{30}+(sqrt{5})^{2} =2+15+6+5=28$$336) 2) sqrt{6}(0,5sqrt{24}-8sqrt{11})-4sqrt{11}(sqrt{99}-2sqrt{6}) =0,5sqrt{144}-8sqrt{66}-4sqrt{1089}+8sqrt{66}=0,5*12-4*33=-126$$4) (17- sqrt{21} )^{2}-5 sqrt{3}(4 sqrt{27} -6,8 sqrt{7}) 289-34sqrt{21}+(sqrt{21})^{2}-20 sqrt{81} +34sqrt{21}= =289+21-20*9=130$