* 6DM255MM2 = 60055MM2 ; 6KM 6HM = 660DAM ; 6KM 66DAM = 6660M ;55DM 66MM = 5566MM ; 1M289CM2= 10089CM2; 52CM2 13MM2 = 5213MM2; 731524143 X 6 ; 8 = 5 + 2 + 6 = 5 = 2 ; 3 + 5 X 3 ; 2 =

2/ - DE KIEM TRA VIOLYMPIC VONG 33
Lớp 4 DE KIEM TRA VIOLYMPIC VONG 33

2/* 6dm

2

55mm

2

= 60055mm

2

; 6km 6hm = 660dam ; 6km 66dam = 6660m ;

55dm 66mm = 5566mm ; 1m

2

89cm

2

= 10089cm

2

; 52cm

2

13mm

2

= 5213mm

2

;

731524143

x

6

;

8

=

5

+

2

+

6

=

5

=

2

;

3

+

5

x

3

;

2

=