Odpowiedź:
a) - 2 5/6 - (-1/9)= - 17/6 + 1/9 = - 51/18 +2/18 = - 49/18
b) 7/12-(-2 3/8)= 7/12 + 19/8 = 14/24 + 57/24 = 71/24
c) 1 4/5- 8 2/3 = 9/5 - 26/3= 27/15 - 130/15 = - 103/15 = - 6 13/15
d) -(- 5 3/4)- 3 2/5 = 23/4 - 17/5 = 115/20 - 68/20 = 47/20 =2 7/20
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Odpowiedź:
a) - 2 5/6 - (-1/9)= - 17/6 + 1/9 = - 51/18 +2/18 = - 49/18
b) 7/12-(-2 3/8)= 7/12 + 19/8 = 14/24 + 57/24 = 71/24
c) 1 4/5- 8 2/3 = 9/5 - 26/3= 27/15 - 130/15 = - 103/15 = - 6 13/15
d) -(- 5 3/4)- 3 2/5 = 23/4 - 17/5 = 115/20 - 68/20 = 47/20 =2 7/20