Uwaga daje 5 pkt + naj za krótkie rozwiązanie
4/
4 / (1/2) = 4* (2/1) = ( 4 *2)/1 = 8/1 = 8
4/½ = 4 · ²/₁ = 4·2 = 8
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4 / (1/2) = 4* (2/1) = ( 4 *2)/1 = 8/1 = 8
4/½ = 4 · ²/₁ = 4·2 = 8