Question

a)
(a +9 : 3) x 5 = 45 - 5

b)a - (42: 6) = 50 x 2


c)21 900 - (a + 5 760) = 7 860

d)a x [(130:5+ 72 : 2 - 13): (735 : 5 - 140)

a : 5 = 5+ [5 - (5 x 1-5:5+1)x 1]




vă rog,urgent​

Answer 1

Răspuns:

a)a=5

b)a=107

c)a=8280