Question

Tính nhanh :

189,51 - 30 - 89,51

Answer 1

ta có 

189 ,51 - 30 - 89,51

=(189,51-89,51)-30

=100-30

=70

h nhé 

thanks

Answer 2

( 189,51-89,51 ) - 30 =70

Answer 3

189,51 - 30 - 89,51

= ( 189,51 - 89,51 ) - 30 

= 100 - 30

= 70

Answer 4

= ( 189,51 - 89,51 ) -30

= 100-30=70

Answer 5

= (189.51 - 89.51 ) - 30

= 100 -30

=70

Answer 6

189,51 - 30 - 89,51

= ( 189,51 - 89,51 ) - 30

= 100 - 30

= 70

Answer 7

\(189,51-30-89,51\)

\(=\left(189,51-89,51\right)-30\)

\(=100-30\)

\(=70\)

ai có bài khó thì nói với mk nhé! mk giải cho 

Answer 8

189,51 - 30 - 89,51

= ( 189,51 - 89,51 ) - 30

= 100 - 30

= 70

k nha