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Владислав310504
@Владислав310504
July 2022
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найдите значение выражений #625
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Asler849
1) b^2-30b+225, если b=6
6^2-(30*6)+225=36-180+225=81
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2) 100a^2+60ab+9b^2, если a=0,8, b=-3
100*(0,8^2)+(60*0,8*(-3))+9*(-3^2)=64+(-144)+81= 145+(-144)=1
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Answers & Comments
6^2-(30*6)+225=36-180+225=81
---------------------------------------------------------
2) 100a^2+60ab+9b^2, если a=0,8, b=-3
100*(0,8^2)+(60*0,8*(-3))+9*(-3^2)=64+(-144)+81= 145+(-144)=1