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аня12003
@аня12003
July 2022
2
17
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Найти числовое значение выражения:
m ²-n ² при m= -1/4: n= -1/2
х ²+у ² при х= -2: у= -1
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Answers & Comments
NarminAbdullaeva
Если не ошибаюсь,то вот:
1) -3/16
2) 5
0 votes
Thanks 1
NarminAbdullaeva
2) 3
Hedi89
2) 3 (x^2+y^2)=(-2)^2+(-1)^2=2+1=3
Hedi89
M^2-n^2=(m-n)(m+n)=(-1/4+1/2)(-1/4-1/2)=1/2×(-3/4)=-3/8=-0,375
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Answers & Comments
1) -3/16
2) 5