repedee dau coroana!!
Numerele a, 5, 7 sunt direct proporţionale cu 36, b, respectiv 84.
Calculează 2a + b şi 2b-a
More Questions From This User See All
Show life that you have a thousand reasons to smile
© Copyright 2025 DOKU.TIPS - All rights reserved.
a/36=5/b=7/84
a/36=5/b=1/12
a=36/12=3
b=5×12=60
2a+b=2×3+60=6+60=66
2b-a=2×60-3=120-3=117