* 1M2 52CM2= 10052CM2 ; 3KM26DAM2= 30006DAM2 ; 1M 5MM = 1005MM ;3KM 55M = 3055M ; 5KM 66M = 5066M ; 7DM26MM2= 70006MM2 ;72351298 = 25 X 5 + 4 + 2 = 2 ; 3 = 1 - 8 ; 11 X 12 ; 11 = 2 + 2 +

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

3/ * 1m

2

52cm

2

= 10052cm

2

; 3km

2

6dam

2

= 30006dam

2

; 1m 5mm = 1005mm ;

3km 55m = 3055m ; 5km 66m = 5066m ; 7dm

2

6mm

2

= 70006mm

2

;

72351298

=

25

x

5

+

4

+

2

=

2

;

3

= 1 -

8

;

11

x

12

;

11

=

2

+

2

+