zapisz krócej wyrażenia algebraiczne a 6x+4x+5x= b2a+5a-3a= c 3b+2b-5b= d 3b+8b= e 17x-9x= f 4y+(-3y)= g 8z-15z= h 6x-2x+1i jedna druga = i 5t-7t+(-2,5t)=
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a 6x+4x+5x=15x
b2a+5a-3a=4a
c 3b+2b-5b=0
d 3b+8b=11b
e 17x-9x=8x
f 4y+(-3y)=y
g 8z-15z=-7
i 5t-7t+(-2,5t)=-4,5t