5 dm x 6 dm x 4 dm = 120 dm 3120dm3 x 3/5 = 72 dm 3Wlano 72 dm 3 wody.
a=5 dm
b=6dm
c=4 dm
V=abc
V=5·6·4
V=120dm³
liczymy 3/5 objetosci
3/5V=3/5·120 dm³
3/5V=72 dm³=72 l
Do akwarium wlano 72 dm³ wody
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5 dm x 6 dm x 4 dm = 120 dm 3
120dm3 x 3/5 = 72 dm 3
Wlano 72 dm 3 wody.
a=5 dm
b=6dm
c=4 dm
V=abc
V=5·6·4
V=120dm³
liczymy 3/5 objetosci
3/5V=3/5·120 dm³
3/5V=72 dm³=72 l
Do akwarium wlano 72 dm³ wody