17 500

A) Chó

B) 6 bạn

C) 4 Bạn

(20x5)x3246 346x(53+47)

=100x3246 =346x100

=324 600 =34 600

10km,4g,30ml,40phut

10km,4g,30ml,40phut

5,24 5,,49 3,5 2,7

5,24 5,,49 3,5 2,7

1611435 13265

1611435 13265

1611435 13265