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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 5: 19,41 km2=…m2 22,82m2=…cm2 9,075 hm2=-m2 7,34m=-cm 3,06 dam=…dm

Toán Lớp 5: 19,41 km2=…m2
22,82m2=…cm2
9,075 hm2=….m2
7,34m=….cm
3,06 dam=…dm

Comments ( 2 )

  1. 19,41 km2= 19 410 000m2
    22,82m2= 228 200 cm2
    9,075 hm2= 90 750 m2
    7,34m= 734 cm
    3,06 dam= 306 dm
    Kiến thức áp dụng.
    1 $km^{2}$ = 1 000 000 $m^{2}$ 
    1 m = 100 cm
    1 dam = 100 dm

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222-9+11+12:2*14+14 = ? ( )

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