Question

Rezolvati in multimea numerelor rationale urmatoarele ecuatii
a)x+1/3=5/3 b)x-1/4=5/4 c)x+5/6=1/6
d)1 3/4+x=11/4 e)2 2/5-x=14/5 f)15/7-x=3 2/7
Dau Coroana !!!!!!

Answer 1

Răspuns:

a)

5/3-1/3=4/3

b)

5/4+1/4=6/4=3/2

c)

1/6+5/6=6/6=1

d)

1 3/4=7/4

11/4-7/4=4/4=1

e)

2 2/5=12/5

12/5-14/5= - 2/5 (Q-)

f)

3 2/7=23/7

15/7-23/7 = - 8/7 (Q-)