October 2018 1 9 Report
1 Usuń nawiasy i wykonaj redukcję wyrazów podobnych:

a) 7(3a-2b) + 4(8b-a)
b) 5(x-3y+2) + 9(-5x+4y-3)
c) 6(4p-7r) - 2(8p-9r)
d) -8(-3m+9p+2) -5(6m-6p-9)
e) 4(4a-7b) -7(3a-5b) - 2(6b-5a)
f) 0,5(8x-12y) + 0,6(5x-15y)
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a) -(-2b+c-3)-4(b+3c-6)-3(2-c+b)
b) 12(1/4t - 1/6w) -24(1/6t + 1/4w)
c) 4[(3x-2y) - (4x+3y)] - [(y-x) - 2(5x - 4y)]
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