Zad 4
a) 5a - (2a - 4) = 3a + 4
b) a + (2a + 4) = 3a + 4
c) 5 - (a + 9) = a - 4
d) a + (8 - 4a) = 8 - 3a
Zad 1 - zdjęcie bardzo słabej jakości, mam nadzieję że dobrze przepisane
a)
4a + (3b + 2) = 4a + 3b + 2
7a + (2b - 4) = 7a + 2b - 4
6x + 1 + (6y + 7) = 6x + 8 + 6y
x + (3y - 26z) = x + 3y - 26z
b + (c + 6d) = b + c + 6d
b)
7a - (2b + 1) = 7a - 2b - 1
2a - (6b - 8c) = 2a - 6b + 8c
4u - (w + 3v) = 4u - w - 3v
9u - (4w - v) = 9u - 4w + v
x - (2y - 2) = x - 2y + 2
Zad Wstaw w luki znak + lub -
a) 5a - (4b + 3c) = 5a - 4b - 3c
b) 7x - (2y - z) = 7x - 2y + z
c) s - (-t + w - v) = s - t - w + v
d) 5m - (-2n - 4p + k) = 5m - 2n + 4p - k
Zad 3
a) 8a + (4a - 7) = 8a + 4a - 7 = 12a - 7
b) 5a - (3a + 6) = 5a - 3a - 6 = 2a - 6
c) -8m + (2n - m) = -8m + 2n - m = -9m + 2n
d) -3p - (6n - 4p) = -3p - 6n + 4p = p - 6n
e) 2x - 7y + (5x - 2y) = 2x - 7y + 5x - 2y = 7x - 9y
f) -2x + 8y - (6x - 7y) = -2x + 8y - 6x + 7y = -8x + 13y
g) (3u - 6v) + (6v - 5) = 3u - 6v + 6v - 5 = 3u - 5
h) (8u + 3v) - (2u + 5v) = 8u + 3v - 2u - 5v = 6u - 2v
i) (-a - 4b) + (5b - a) = -a - 4b + 5b - a = -2a + b
j) (7a - b) - (4a - 2b) = 7a - b - 4a + 2b = 3a +b
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Zad 4
a) 5a - (2a - 4) = 3a + 4
b) a + (2a + 4) = 3a + 4
c) 5 - (a + 9) = a - 4
d) a + (8 - 4a) = 8 - 3a
Zad 1 - zdjęcie bardzo słabej jakości, mam nadzieję że dobrze przepisane
a)
4a + (3b + 2) = 4a + 3b + 2
7a + (2b - 4) = 7a + 2b - 4
6x + 1 + (6y + 7) = 6x + 8 + 6y
x + (3y - 26z) = x + 3y - 26z
b + (c + 6d) = b + c + 6d
b)
7a - (2b + 1) = 7a - 2b - 1
2a - (6b - 8c) = 2a - 6b + 8c
4u - (w + 3v) = 4u - w - 3v
9u - (4w - v) = 9u - 4w + v
x - (2y - 2) = x - 2y + 2
Zad Wstaw w luki znak + lub -
a) 5a - (4b + 3c) = 5a - 4b - 3c
b) 7x - (2y - z) = 7x - 2y + z
c) s - (-t + w - v) = s - t - w + v
d) 5m - (-2n - 4p + k) = 5m - 2n + 4p - k
Zad 3
a) 8a + (4a - 7) = 8a + 4a - 7 = 12a - 7
b) 5a - (3a + 6) = 5a - 3a - 6 = 2a - 6
c) -8m + (2n - m) = -8m + 2n - m = -9m + 2n
d) -3p - (6n - 4p) = -3p - 6n + 4p = p - 6n
e) 2x - 7y + (5x - 2y) = 2x - 7y + 5x - 2y = 7x - 9y
f) -2x + 8y - (6x - 7y) = -2x + 8y - 6x + 7y = -8x + 13y
g) (3u - 6v) + (6v - 5) = 3u - 6v + 6v - 5 = 3u - 5
h) (8u + 3v) - (2u + 5v) = 8u + 3v - 2u - 5v = 6u - 2v
i) (-a - 4b) + (5b - a) = -a - 4b + 5b - a = -2a + b
j) (7a - b) - (4a - 2b) = 7a - b - 4a + 2b = 3a +b
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