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a fost răspuns

Reduceți termenii asemene:
a) 2,5x+0,5x-1,5x+3,5x-1,2x=....
b) 3,75b-1,25b+(b-0,3b)-(0,7b+0.3b)=....
c) 2,9y+(1,25y+5,75y)+0,1y=....
d) 2,7a-(3,8a-0,3a+0,5a)+1,3a=....

Răspuns :

a) 3.8x
b) 2,5b+ 0,7b-b = 1,2b
c) 2,9y+7y+0,1y=10y
d)2,7a-4a+1,3a=0

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