Răspuns:
a)(4/6-3/6)+3/4=1/6+3/4=4/24+18/24=22/24=0,91(6)
b)5/6+(1/1-3/4)=5/6+(4/4-3/4)=5/6+1/4=20/24+6/24=26/24=1,08(3)
c)nu îl știu
d)1/1-(4/10+1/10)+3/10=1/1-5/10+3/10=10/10-5/10+3/10=8/10
Explicație pas cu pas:
unde am schimbat numerele am amplificat