Question

19.25+9.95+38.15

Answer 1

19.25+9.95+38.15

=19.25+9.5.19+19.2.15

=19.25+45.19+19.30

=19.(25+45+30)

=19.100

=1900 

tick cho minh voi nha!

Answer 2

ko ý mình là tính nhanh đó

Answer 3

=19.25+9.5.19+2.15.19

=19.25+19.45+19.30

=19(25+45+30)

=19.100

=1900

Answer 4

19.25+9.95+38.15=19.5.5+9.95+38.15=5.95+9.95+38.15=95.(9+5)+38.15=95.14+38.15=19.5.14+2.19.15=19.70+19.30=19.(70+30)=19.100=1900

ủng hộ tròn 550 nha