oblicz :
0,6 * 7 1
---------- x ----------- =
0,2 2,2 + 0,8
------ oznacza kreske ułamkową
PROSZE O POMOC
4.2 1 1 21
= ------ x ---------- = 21 x ---------- = -----------= 7
0.2 3 3 3
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4.2 1 1 21
= ------ x ---------- = 21 x ---------- = -----------= 7
0.2 3 3 3