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a fost răspuns

2/15+1/35=
2/3:1/6=
28/98.21/81=
1/3+1/3=
12/18+1=
6-54/24=
-3/4+5/6=
(0,8)la a 2..

Răspuns :

Clau2
2/15+1/35= 17/105
2/3:1/6= 2/3 * 6/1 = 4
28/98.21/81= 29/378
1/3+1/3=2/3
12/18+1= 5/3
6-54/24= 15/4
-3/4+5/6= 1/12
(0,8)² = 0.64







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