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zhasminamikhaylova
@zhasminamikhaylova
June 2023
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Упрости выражения.
Найди значения при a=3,b=2,x=4
(a+b)•5+9a+3b
13•(a+b)-7b+4a
6•(x+a)-5a
30x-(5x+4x)
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Аккаунт удален
(a+b) × 5 + 9a + 3b = 5a + 5b + 9a + 3b = 14a + 8b
При a=3 ; b=2
14 × 3 + 8 × 2 = 42 + 16 = 58
13×(a+b)-7b+4a = 13a + 13b - 7b + 4a = 17a + 6b
При a=3 ; b=2
17 × 3 + 6 × 2 = 51 + 12 = 63
6×(x+a) - 5a = 6x + 6a - 5a = 6x + a
При x = 4 ; a=3
6 × 4 + 3 = 27
30x-(5x+4x) = 30x - 5x - 4x = 21x
При x = 4
21 × 4 = 84
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Answers & Comments
При a=3 ; b=2
14 × 3 + 8 × 2 = 42 + 16 = 58
13×(a+b)-7b+4a = 13a + 13b - 7b + 4a = 17a + 6b
При a=3 ; b=2
17 × 3 + 6 × 2 = 51 + 12 = 63
6×(x+a) - 5a = 6x + 6a - 5a = 6x + a
При x = 4 ; a=3
6 × 4 + 3 = 27
30x-(5x+4x) = 30x - 5x - 4x = 21x
При x = 4
21 × 4 = 84