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kirilpokikp08
@kirilpokikp08
June 2023
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скажите как это делать емае
1) (0,3a7b)(0,3a + 7 b) =
2) (a-5,1b )(a + 5,1b) =
3)
(c + n)(n- c) =
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slaaaaay
ответы и пояснение на фото
0 votes
Thanks 1
slaaaaay
остальные не закрепились(
slaaaaay
сейчас напишу
kirilpokikp08
хорошо жду :)
slaaaaay
2) а^2-5,1^2•b^2= a^2-(51/10)^2•b^2=a^2-2601/100 b^2
3)(n-c)(n+c)= n^2-c^2
^-квадрат
51/10; 2601/100 - дроби
kirilpokikp08
спасибо большое
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Report "скажите как это делать емае 1) (0,3a7b)(0,3a + 7 b) = 2) (a-5,1b )(a + 5,1b) = 3) (c + n)(n- c) ="
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3)(n-c)(n+c)= n^2-c^2
^-квадрат
51/10; 2601/100 - дроби