Zad.Usuń nawiasy i zredukuj wyrazy podobne. a) (5a-125) + (4a-21) + (36-33a)= b) 25x - (4x+18y-9)= c) (24x-y+35)  (6x-12)= d) -(27a-31) - 5a+2-19= e) (1,5a-o,4b-2)- (3,5a-7,8b+5) - (3a-2)=  

(5a-125) + (4a-21)+(36-33a)= 5a-125 +4a -21+36-33a = -24a -110   25x - (4x+18y-9)= 25x -4x-18y+9 = 21x-18y+9   (24x-y+35)(6x-12)=144X2 -288x-6xy +12y +210x-420 =144x2  -78x -6xy +12y -420   -(27a-31)-5a+2-19 = -27a+31-5a-17 =-32a+14 (1,5a-0,4b-2)-(3,5a-7,8b+5)-(3a-2)= 1,5a-0,4b-2-3,5a+7,8b-5-3a+2=2a +7,4b -5

Zad.Usuń nawiasy i zredukuj wyrazy podobne.   a) (5a-125) + (4a-21) + (36-33a)= b) 25x - (4x+18y-9)= c) (24x-y+35)  (6x-12)= d) -(27a-31) - 5a+2-19= e) (1,5a-o,4b-2)- (3,5a-7,8b+5) - (3a-2)=  

Zad.Usuń nawiasy i zredukuj wyrazy podobne.   a) (5a-125) + (4a-21) + (36-33a)= b) 25x - (4x+18y-9)= c) (24x-y+35)  (6x-12)= d) -(27a-31) - 5a+2-19= e) (1,5a-o,4b-2)- (3,5a-7,8b+5) - (3a-2)=  ...