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1l- 0,92
2l- 0,92 + 0,92 = 1,84
0,92 : 2 = 0,46
2,5l - 0,92 + 0,92 + 0,46 = 2,30
b)
7 l - 94,5 kg
1l - 94,5 : 7 =13,5
1 litr = 0.92kg
2,5litra=0.92kg *2,5
2,5 litra= 2,3 litra
b) Ile wazy litr rtęci , jesli 7 litrow wazy 94,5 kg ?
7litrów=94,5kg
1 litr= 94,5kg : 7
1 litr= 13,5 kg