30.B. 1.952 cm³
V1=s³
=8³
=512 cm³
V2=p×l×t
=20×8×9
=1440 cm³
V2+V1=1440+512 =1952 cm³
31.C. 216 liter
V akuarium=s³
=60³
=216000 cm³
=216 dm³=216 liter
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30.B. 1.952 cm³
V1=s³
=8³
=512 cm³
V2=p×l×t
=20×8×9
=1440 cm³
V2+V1=1440+512 =1952 cm³
31.C. 216 liter
V akuarium=s³
=60³
=216000 cm³
=216 dm³=216 liter