- 3/4 + (-3/4) = -3/4-3/4 = -6/4 = -1 2/4 = -1 1/2
-1-(-4/7)= -1+4/7 = -3/7
-0,75+1/4= -0,75+0,25 = -0,5
zad 2
a) -3. 1/9 - (4.1/17)= 28/9-69/17 = -476/153-621/153 = -1097/153 = -7 26/153
b) -2.14/15 + 0,2= -44/15+2/10 = -88/30+6/30 = -82/30 = -2 22/30 = -2 11/15
c) 2,66 + (-2, 1/3) = 266/100-7/3 = 798/300-700/300 = 98/300 = 49/150
d) -2.1/3-(-3,8) = -7/3+38/10 = -70/30+114/30 = 44/30 = 1 14/30 = 1 7/15
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- 3/4 + (-3/4) = -3/4-3/4 = -6/4 = -1 2/4 = -1 1/2
-1-(-4/7)= -1+4/7 = -3/7
-0,75+1/4= -0,75+0,25 = -0,5
zad 2
a) -3. 1/9 - (4.1/17)= 28/9-69/17 = -476/153-621/153 = -1097/153 = -7 26/153
b) -2.14/15 + 0,2= -44/15+2/10 = -88/30+6/30 = -82/30 = -2 22/30 = -2 11/15
c) 2,66 + (-2, 1/3) = 266/100-7/3 = 798/300-700/300 = 98/300 = 49/150
d) -2.1/3-(-3,8) = -7/3+38/10 = -70/30+114/30 = 44/30 = 1 14/30 = 1 7/15