Question

calculati nr x din proportia 2 supra 3 + 3 supra 2 supra 3 supra 4 + 4 supra 3 = 2 supra 25 supra x
dau 30 puncte si coroana !!​

Answer 1

2/3+3/2/3/4+4/3=2/25/x

2/3+3/2×4/3+4/3=2/25/x

2/3+2+4/3=2/25/x

2+2=2/25/x

4=2/25/x

x=2/25/4

x=2/25×1/4

x=1/50