10litrow benzyny =7,20 kg
5 litrów oleju= 4,20
10 litrów oleju= 4,20x2=8,40kg
1litr benzyny = 7,20kg:10=0,72 kg
1 litr oleju= 8,40:10=0,84
0,84-0,72=0,12
Odp 1 litr oleju wazy więcej o 0,12 kg
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10litrow benzyny =7,20 kg
5 litrów oleju= 4,20
10 litrów oleju= 4,20x2=8,40kg
1litr benzyny = 7,20kg:10=0,72 kg
1 litr oleju= 8,40:10=0,84
0,84-0,72=0,12
Odp 1 litr oleju wazy więcej o 0,12 kg