Question

vă rog urgent c,d,e,f! Dau coroana!​

Answer 1

Explicație pas cu pas:

c)3²×8:12×13:39

9×8:12×13:39

72:12×13:39

6×13:39

78:39

=2

d)5×12×17:255

60×17:255

1020:255

=4

e)12×11:44×16:24

132:44×16:24

3×16:24

48:24

=2

f)456:24×5²:19×20

456:24×25:19×20

19×25:19×20

475:19×20

25×20

=500