Question

(3,11+5,22+15,33+21,44)+(7,89-3,56+12,78+46,7)

Answer 1

(3,11+5,22+15,33+21,44)+(7,89-3,56+12,78+46,7)

= 108,91 nha bạn . 

Answer 2

(3,11+5,22+15,33+21,44)+(7,89-3,56+12,78+46,7)

=(3,11+21,44+5,22+15,33)+(7,89-7+12,78-3,56)

=(24,55+30,55)+(0,89+9.22)

=55,1+10.11

=65,21

Answer 3

108.9 nha bạn chúc bạn học tốt nhé

Answer 4

(3,11+5,22+15,33+21,44)+(7,89-3,56+12,78+46,7)

=45,1+63,81

=108,91