3/7+0,69 = 0,43 + 0,69 = 1, 12
4 7/9 -3 5/12 + 4, 90 = 4,78 - 3,42 + 4,96 = 6,32
<span>6/13 – 0, 28 = 0,46 –
0, 28 = 0,18</span><span>
12 10/19 – 4, 54 -5 1/6
= 4, 53 – 4, 54 – 5, 17 = - 5, 18</span>
0,29+0,69=0,98
24,78-3,17+4,96=6,57
0,46-0,18=0,28
12,83-4,54-5,17=3,12