Wiemy, że:

$1\text{dag}=\boxed{10}\text{g}$

Czyli:

$1\text{g}=\boxed{0,1}\text{dag}$

Uzupełniamy:

$5,3\text{dag}=\boxed{5}\text{dag}\boxed{3}\text{g}$

$1,9\text{dag}=\boxed{1}\text{dag}\boxed{9}\text{g}$

$0,8\text{dag}=\boxed{8}\text{g}$

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Wiemy, że:

$1\text{kg}=\boxed{100}\text{dag}$

Czyli:

$1\text{dag}=\boxed{0,01}\text{kg}$

Uzupełniamy:

$2,15\text{kg}=\boxed{2}\text{kg}\boxed{15}\text{dag}$

$3,25\text{kg}=\boxed{3}\text{kg}\boxed{25}\text{dag}$

$0,72\text{kg}=\boxed{72}\text{dag}$

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Wiemy, że:

$1\text{kg}=\boxed{1000}\text{g}$

Czyli:

$1\text{g}=\boxed{0,001}\text{kg}$

Uzupełniamy:

$1,850\text{kg}=\boxed{1}\text{kg}\boxed{850}\text{g}$

$2,325\text{kg}=\boxed{2}\text{kg}\boxed{325}\text{g}$

$0,150\text{kg}=\boxed{150}\text{g}$