Answered

1 a.65,4cm=....m b.976,5dm=...dam c. 1 325,4mm=...m d.4 758,9m=....km
2 a. 18 mm²=...cm² b.36mm²=...dam² c.16,5dm²=...m d.4,7hm²=...km²
3 a. 21m²=...cm² b.95dam²=...dm² c.8,4km²=...mm² d.74,5m²=...mm²
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Sagot :

1) a. 65,4cm= 0,654m
b. 976,5dm= 9,765dam
c. 325,4mm= 0,3254m
d. 4 758,9m= 4,7589km

2) a. 18mm2= 0,18cm2
b. 36mm2= 0,0036dam2
c. 16,5dm2= 0,165m2
d. 4,7hm2= 0,047km2

3) a.21m2= 210000cm2
b. 95dam2= 9500dm2
c. 8,4km2= 84000000000mm2
d. 74,5m2= 74500000mm2