Question

tính nhanh

21.30+45.21+42.50

ai tick mik mik tick lại nha

Answer 1

21,30 +45,21 +42 ,50 =  66, 51 + 42,50

                                      =109,01

k nha ! 

Answer 2

=21.30+21.45+2.21.50

=21.(30+45+2+50)

=21.127

=2667

Answer 3

21,30 + 45,21 + 42,50 = 66,51 + 42,50 

                                       = 109,01