Question

3^2.5+2^3.10-81:3

3.5^2+15.2^2-26:2

 

Answer 1

3².5+2³.10-81:3

=9.5+8.10-81:3

=45+80-27

=125-27

=98

3.5²+15.2²-26:2

=3.25+15.4-26:2

=75+60-12

=135-12

=123