Question

exercițiul 10 si 11 va rog​

Answer 1

Răspuns:

Explicație pas cu pas:ex 10

a) Adevarat

b)Fals

c)Adevarat

d)Adevarat

e)Fals

f)Adevarat

ex 11

a)7/9 (5= 7x5/9x5=35/45

5/3 (5=5x3/3x3=15/9

11/15 (5=11x5/15x5=55/75

b)7/9 (3=7x3/9x3=21/27

5/3 (3=5x3/3x3=15/9

11/15 (3=11x3/15x3=33/45

c)7/9 (10=7x10/9x10=70/90

5/3 (10=5x10/3x10=50/30

11/15 (10=11x10/15x10=110/150

In loc de linie de fractie eu am pus bara