a) (1 1/3-2,2) * (-4 1/8 + 1/4)
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(-3 1/4 + 8)* 0,4 + 1,4 > to jest chyba tak jakby mianownik po facet napisał to przez kreske ułamkową
b) 20- 2 3/4 : 1 3/4
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3 2/3+2 2/3 * 1/2 +4
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a)
b)