Question

3.14 x 25 + 3.14 x 15 + 55 x 3.14

Answer 1

3.14 x 25 + 3.14 x 15 + 55 x 3.14-298,3

Answer 2

=3,14x(25+15+55)

=3,14x95=298,3

duyệt đi olm

Answer 3

3,14x25+3,14x15+55x3,14 

=3,14x(25+15+55)

=3,14x95

=298,3 

sao số ko chẵn nhỉ 

Answer 4

3,14x25+3,14x15+55x3,14=3,14x(25+15+55)

                                               =3,14x95

                                               =298,3

Answer 5

3,14*25+3,14*15+55*3,14=298,3

                 đ/s:298,3