Question

ajutati-ma va roooog am test maine dau coroana plus ma abonez plus muulte puncte !!Rezolvati-le va rooog!!​

Answer 1

III.

Se dă factor comun 14/15

14/15 • (9/7 - 4/7) =

14/15 • 5/7 =

2/3

IV.

a)(8/7 - 23/49) • 147/22 =

(56-23)/49 • 147/22 =

33/49 • 147/22 =

9/2

b)(-3/4 - 5/6) • (-6) =

(-9-10)/12 • (-6) =

(-19)/(-2) =

19/2