Question

ajutați. ma la ex 5 punctele c,d,e,f

Answer 1

Sper ca te-am ajutat! Coroana????!

Answer 2

1) [17×(25-24)×1-15]×8-4×3=
=(17×1×1-15)×8-12=
=(17-15)×8-12=
=2×8-12=
=16-12=
=4
2) [(81-16×5):1+5^9:5^8]×4=
=[(81-80):1+5]×4=
=(1:1+5)×4=
=(1+5)×4=
=6×4=
=24
3){[(13-8):5+(7×8-6):5+8]:19+5}×8-16×3=
=[(5:5+50:5+8):19+5]×8-48=
=[(1+10+8):19+5]×8-48=
=(19:19+5)×8-48=
=(1+5)×8-48=
=6×8-48=
=48-48=
=0