Question

Rezolva ex 2×6+4:2-1 , apoi asaza unele operatii in paranteze , astfel incat sa obtii rezultatele: a) 9; b) 15 cls 3 Ajutati-ma va rog!!!

Answer 1

2x6+4:2-1=12+2-1=14-1=13

2x6+4:2-1=
=2x(6+4):2-1=
=2x10:2-1=
=2x5-1=
=10-1=
=9

2x6+4:2-1=
=2x(6+4:2)-1=
=2x(6+2)-1=
=2x8-1=
=16-1=
=15

Answer 2

2×6+4:2-1=12+2-1=13
a) 2×(6+4):2-1=9
b)2×(6+4:2)-1=15