Question

Va rog!
Am nevoie! Dau coroana!

Answer 1

1.2la puterea a 2a=4x5:10-2=20:10-2=2-2=0
3.19+15=34:2=17
4.13cm.

Answer 2

1)
2 la puterea a 2a=4x5:10-2=20:10-2=2-2=0
3)
19+15=34:2=17
4)
13cm.
                                                                      R:13 cm

Sper a te-am ajutat!Succes in contnuare!