Question

calculati,tinand cont de ordinea efectuarii operatiilor si eliminarii parantezelor.1)3/4ori (8/9-1/6):5/4;2)[1/4+(5/2-1cu 3/4):7/8]ori14

Answer 1

1.
3/4 x (16-3)/18 x 4/5=
3/4 x 13/18 x 4/5=
13/30

2.
[1/4 + (5/2 - 7/4) x 8/7] x 14=
(1/4 + 3/4 x 8/7) x 14=
(1/4 + 6/7) x 14=
(7+24)/28 x 14=
31/28 x 14=
31/2