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10000cm³÷200cm³=50 odp. sokiem napełniono 50 kartoników
2.96
3.400 zł
4Ma 6 lat
10l=10dm3 = 10000cm3
10000dm3 : 200dm3=50
2,
V=64cm3
V=a*a*a
a=4
Pc=a*a*6
Pc=4*4*6
Pc=16*6
Pc=96cm2
3,
A=12dm
B=8dm
C=10cm=1dm
Pole Ramy -Pr
Pr= 2(a*c) + 2(b*c) +4c2
Pr=2*12 + 2*8 + 4*1dm2
Pr=24dm2 + 16dm2 + 4dm2
Pr=44dm2
1dm2=10zł
44dm2=44*10=440zł
4,
x-wiek Gresia teraz
x+3=3*(x-3)
x+3=3x-9/+9
x+12=3x/-x
12=2x
X=6
*-mnożenie