Question

va rog am mare nevoie ! dau coroana​

Answer 1

Răspuns:

1. a. ab/cd=2/4=1/2

b. cd/ab=4/2=2

c. ab/ab=2/2=1

d. (ab+cd)/ab=(2+4)/4=6/4=3/2

2. ab=3 cm

cd=2 cm

ef=5 cm

a. ab/cd=3/2

b. ab/ef=3/5

c. cd/ef=2/5

d. ef/cd=5/2

Explicație pas cu pas: