Question

Tính :

\(12+13+14+15-45+25\)

Answer 1

12+13+14+15-45+25

=25+14+15-45+25

=39+15-45+25

=54-45+25

=9+25

=34

Answer 2

12 + 13 + 14 + 15 - 45 + 25 = 34

k nha

Answer 3

12+13+14+15-45+25=34

k mik nha

Answer 4

12+13+14+15-45+25=34

k em nhé chị

Answer 5

theo de bai ta co

=12 cong 13 cong 14 cong 15 cong (-45+25)

=12+13+14+15+(-20)

=12+13+14+(-5)

=12+13+9

=34

Answer 6

12+13+14+15-45+25

=54-45+25

=9+25

=34

Answer 7

12 + 13 + 14 + 15 - 45 + 25

= 54 - 45 + 25

= 9 + 25

= 34.