Exx 4 si 5!! Va rog! Imi trebuie urgent!!!!

4)
17 + 27 + 2 × (27-25) - 3× (42-35) =
17 + 27 + 2×2 - 3×7 =
44 + 4 - 21 =
48 - 21 = 27
5)
[ (2+8) ÷ 5 ] × 8 -10 = 6
4)
17 + 27 + 2 × (27-25) - 3× (42-35) =
17 + 27 + 2×2 - 3×7 =
44 + 4 - 21 =
48 - 21 = 27
5)
[(2+8):5]×8-10=6