Răspuns:
40/100×50=40×50:100=20
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-2+(-1)+0+1+2+3=3
14/21=2/3
21×2=14×3
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raspuns b
-2 ≤ x <2
{-2 , -1 , 0 , 1}
2. 40% din 50 => 40 supra 100 × 50 => 40 supra 10 × 5 => 4 × 5 = 20
a) 20
3. -2 + ( - 1 ) + 0 + 1 + 2 + 3 = - 3 + 3 + 3 = 3
c) 3
4. facem simplificari si e 2 supra 3 b)
5. c)
