November 2018 2 23 Report
Oblicz :a) 1/7 + 5/14 = .. b) 3/4 + 5/12 = .. c) 8/9 - 5/18 = .. d) 1/3 + 3/4 = .. e) 3/5 - 1/2 = .. f) 1 i 1/2 - 1/3 = .. g) 1 i 1/2 + 3/8 = .. h) 1 i 1/3 - 2/9 = .. i) 2 i 3/5 - 7/10 = .. j) 5/6 - 1/4 = .. k) 1 i 1/6 - 7/9 = .. l) 2 i 3/8 - 1 i 5/6 = ..

Oblicz .. i napiszcie jak się to robi czyli jak do wspólnego mianownika itd. do nie rozumiem

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