Oblicz:
a) 2,2+ (-3 i 1/2)
b) -6,3 + (-2 i 2/5)
c) -8 i 1/3 - 1,1
d) -3 i 3/4 - (-5,1)
e) - 3 i 5/7 - 6 i 7/8
f) 10 i 3/5 - 11 i 5/7
g) - 8 i 4/9 - 13 i 5/6
h) -4,23 - (- 6 i 4/5 )
i) 12 - 13 i 2/5
j) 8 i 2/3 - (- 6 i 2/6)
k) -4,1 - 0,5 + 4,25
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a) 2,2 + (-3
) = 2,2 - 3,5 = -1,3
b) -6,3 + (-2
) = -6,3 - 2,4 = -8,7
c) -8
- 1,1 = -8
- 1
= -8
- 1
= -9![\frac{13}{30} \frac{13}{30}](https://tex.z-dn.net/?f=%5Cfrac%7B13%7D%7B30%7D)
d) -3
- (-5,1) = -3,75 + 5,1 = 1,35
e) -3
- 6
= -3
- 6
= -9
= -10![\frac{33}{56} \frac{33}{56}](https://tex.z-dn.net/?f=%5Cfrac%7B33%7D%7B56%7D)
f) 10
- 11
= 10
- 11
= -![\frac{4}{35} \frac{4}{35}](https://tex.z-dn.net/?f=%5Cfrac%7B4%7D%7B35%7D)
g) -8
- 13
= -22![\frac{15}{54} \frac{15}{54}](https://tex.z-dn.net/?f=%5Cfrac%7B15%7D%7B54%7D)
h) -4,23 - (-6
) = -4,23 - 6,8 = -11,03
i) 12 - 13
= 12 - 13,4 = -1,4
j) 8
- (-6
) = 8
+ 6
= 15
k) -4,1 - 0,5 + 4,25 = -4,6 + 4,25 = -0,35