Question

va rog repede pas cu pas​

Answer 1

Răspuns:

a) (5-2+3)/8= (3+3)/8= 6/8=3/4

b) (7-2+4)/18= (5+4)/18= 9/18= 1/2

c) 3/7 - 1/10= 30/70 - 7/70= 23/70

d) 13/4 -2 1/3= 13/4 - (2 * 3 + 1)/3= 13/4 - 7/3= 39/12 - 28/12= 11/12

Explicație pas cu pas:

Answer 2

a)3/8+3/8=6/8
b)5/18+4/18= 9/18
c)30/70-7/70=23/70 (am adus la același numitor )
d)13/4-7/3= 11/12