Question

ajutati-ma plizz imi trebuie astazi dau coroana ​

Answer 1

Răspuns:

Explicație pas cu pas:

a. -2/5 - 3/10+1/2+4/15 =

1/2-3/10 + 4/15-2/5 = (5-3)/10 + (4-6)/15 = 2/10 - 2/15 = 6/30-4/30 = 2/30 = 1/15

b. -5/3 - 5/6 +5/2 -5/12 = (-10-5)/6 + (30-5)/12 = -15/6 + 25/12 = (25-30)/12 = -5/12

Answer 2

sper sa te ajute.........