Zredukuj wyrazy podobne
a) 2x-(3-5-x)
b) 2a+(3a-2b)+(a+b)
c) trzy czwarte- (jedna czwartax+jedna druga)
d) 5a-(2-x)+b-2x+5
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a) 2x-(3-5-x)=2x-3+5+x=3x+2
b) 2a+(3a-2b)+(a+b)=2a+3a-2b+a+b=6a-b
c) trzy czwarte- (jedna czwartax+jedna druga)=3/4-1/4x-2/4=1/4-1/4x
d) 5a-(2-x)+b-2x+5=5a-2+x+b-2x+5=5a+3-x+b
a) 2x -3 +5+x=3x+2
b) 2a+3a+2b+a+b=6a+3b
c) 3/4-1/4x-1/2=1/4-1/4x
d)5a-2+x+b-2x+5=5a+3+x+b