Question

Mă poate ajuta cnv? Va dau coroana​

Answer 1

Răspuns:

B)[7/5•15/14+3/2:(9/4-22/4)]•2/7=

[3/2+3/2:(-3/4)]•2/7=

[3/2+3/2•(-4/3)]•2/7=

(3/2-4/2)•2/7=

-1/2•2/7=-1/7

a)[9/12+8/12:(3/4-2/4)]:×6/41 (17/12:1/4)×6/41 (17/12×4/1)×6/41 17/3×6/41 17×2/41 34/41

b) [7/5×15/14+3/2:(9/4-22/4)]2/7 [3/2+3/2:(-13/4)]2/7 [3/2+3/2×(-4/13)]2/7 (3/2-6/13)2/7 (49/26-12/26)2/7 37/26×2/7 37/91

Explicație pas cu pas: