Oblicz :
a) -5,65+(-2,08)-1,35
b) 6,51+(-2,755)-11,125
c)-10/9+(-1/6)+9 i 3/4-(-6,25)
d)-9,3-(-12 i 1/5)-(72,8-(-13,002))
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a) -5,65+(-2,08)-1,35 = 2,22
b) 6,51+(-2,755)-11,125 = - 3,37
c)-10/9+(-1/6)+9 i 3/4-(-6,25) = -10/9+1/6+9 i3/4+6 i1/4= -20/18+3/18 +16=1 i 1/18
d) -9,3-(-12 i 1/5)-(72,8-(-13,002)) =-9,3+12,2-72,8+13,002=2,9-72,8+13,002=-56,898
-5,65-2,08-1,35=-9,08
6,51-2,755-11,125=3,755-11,125=-7,37