(2-1 4/9) * (2 3/5-1,6:4) = 5/9 * (2,6 - 0,4) = 5/9 * 2,2 = 5/9 * 2 2/10 = 5/9 * 22/10 = 1/9 * 22/2 = 22/18 = 1 4/18
mam nadzieję że dobrze
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(2-1 4/9) * (2 3/5-1,6:4) = 5/9 * (2,6 - 0,4) = 5/9 * 2,2 = 5/9 * 2 2/10 = 5/9 * 22/10 = 1/9 * 22/2 = 22/18 = 1 4/18
mam nadzieję że dobrze