👤
a fost răspuns

[7 supra 5 ÷ 14 supra15 + 3 supra 2÷(9 supra 4 -1 1 supra 2)]×2 supra 7​

Răspuns :

[7/5÷14/15+3/2÷(9/4-11/2)]×2/7=

=[7/5×15/14÷(9/4-22/4)]×2/7

=(3/2÷(-13/4))×2/7

=(-3/2×4/13)×2/7

=-6/13×2/7

=-12/91

Alte intrebari