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Efectuează:
b) 5×5×10-(13+7×8
d)8+(8×8:8-8)×5
f) (12+50:10)-6×2
h)16-16:8+(16-16):8+99
j) 2×3×5+60:10:6-31
L) 45:5+54:6-(54+45):(4+5)
n)63+3×4-(2×2×2×2:8+5×6)
va rog repede​