Zad 6. Oblicz:
a) 2 1/3 + 5/6 * 3/5=
b) 7-4/5:2 1/5=
c)1 1/4 * 1 3/5 -(0,6 - 0,55)
a) 2 1/3 + 1/2 = 2 2/6 + 3/6 = 2 5/6
b) 7 - 4/5 : 11/5 = 7 - 4/5 * 5/11 = 7 - 4/11 = 6 7/11
c)1 1/4 * 1 3/5 -(0,6 - 0,55) = 1/4 * 8/5 - 0,05 = 0,40- 0,05 = 0,35
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a) 2 1/3 + 1/2 = 2 2/6 + 3/6 = 2 5/6
b) 7 - 4/5 : 11/5 = 7 - 4/5 * 5/11 = 7 - 4/11 = 6 7/11
c)1 1/4 * 1 3/5 -(0,6 - 0,55) = 1/4 * 8/5 - 0,05 = 0,40- 0,05 = 0,35