Question

10. Calculati oral: 7/13 + 4/13 11/15 + 2/15 13/18 7/18 22/35 13/35 7/12 * 3/14 2 întreg 1/7 * 7/9 2/3 / 8/9 1/6 / 5/12 ​

Answer 1

Răspuns:

1/13+4/13=11/13

11/15+2/15=13/15

13/18+7/18=47/36

22/35+7/12=509/420

7/12•3/14²=3/112

1/7•7/9=1/9

2/3•8/9=16/27

SPER CĂ TE-AM AJUTAT._.