Zapisz w jak najprostrzej postaci.

a. -4(a-4)+5(3x+6)=
b. 3(4p+5)-2(6-p)=
c. 2x(y-4)+3y(x-2)=
d. 3x+2-(8x-10):2=
e. (12a-15b+3c):3+2(4a-b+3c)=
f. (20-4s):(-4)-(10s+15):(-5)=
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