Question

realiza las operaciones con jerarquia (7.5×2)+4=
7.5×(2+4)=
10-5+2×2=
8+2×5+(7×4)=
10+9-5/5 +2-5+2=
7+4-8+(2+4)=
10.4×2(2+1)=

Answer 1

7.5×(2+4)+4=

7.5×6+4

45+4

=49

7.5×(2+4)=

45+4

=49

10-5+2×2=

10-5+5

=9

8+2×5+(7×4)=

8+10+(7×4)

8+10+28

=46

10+9-5/5+2-5+2

10+9-1+2-5

=17

7+4-8+(2+4)

285-8

=217

10.4×2(2+1)

10.4×2×3

62.4