tex]...

July 2022 1 7 Report

Вычислите наиболее рациональным способом: [tex]137^{2} - 54 *137+27^{2}[/tex]
[tex]\frac{82^{2} -18^{2} }{67^{2}-33^{2} }[/tex]

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Universalka

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$1)137^{2}-54*137+27^{2}=137^{2}-2*27*137+27^{2}=(137-27)^{2}=\\\\=110^{2}=\boxed{12100} \\\\\\2)\frac{82^{2}-18^{2}}{67^{2}-33^{2}}=\frac{(82-18)(82+18)}{(67-33)(67+33)}=\frac{64*100}{34*100}=\frac{32}{17} =\boxed{1\frac{15}{17}}$

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Answers & Comments

Verified answer

raskrojte skobki ispolzuya vtoroj tip uslovnyh predlozhenij 1if you were my f

vstavte podhodyashij modalnyj glagol can must may should v predlozhenie 1

napishite esse na temu vnutrennyaya politika hana tauke i hana abylaya v kazahskom

Are you often going We____(buy) this sofa in the shop at the end of the street. ...

complain...

Sue has got lots of money with her and she ___ spend it all. a) can to b) is abl...

open the brackets and put the verbs in the correct form raskrojte skobki ispo

na risunke pokazana reflektornaya duga kak nazyvaetsya nejron pod nomerom 2 i kak

kakaya chast kory bolshih polusharij izobrazhena na risunke kakie funkcii ona vypo

nazovite biev kotorye yavlyalis organizatorami kurultaya u ordabasy proshu

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