25.Oblicz:
a) 5-7-13+15-22=
b)-21+16-3-12+24=
c)13,5-24+2,5-5,3+3,2=
d)3,5-2-12,5+4-8,5=
e)-3,6+2 i 3/7-1,4-(-11/7)=
f)-5,75+4 i 2/3-2 i 1/4-(-3 i 1/3)
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a) -22
b)4
c)-10,1
d)-15,5
a) 5-7-13+15-22=(-22)
b)-21+16-3-12+24=4
c)13,5-24+2,5-5,3+3,2=-10.1
d)3,5-2-12,5+4-8,5=-15.5
e)-3,6+2 i 3/7-1,4-(-11/7)=2,5
f)-5,75+4 i 2/3-2 i 1/4-(-3 i 1/3)= -12,9