Oblicz.
2 2/5+(-4,1)+7 3/5+(-5,9)=
4 4/7 +5,4+(1 4/7)+(-7,4) =
- 0,75+6,3+(-1,1)+(-1/4)+(-6,3)=
13,5 -24 +2,5 - 5,3+3,2 =
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(2 2/5) + (-4,1) + (7 3/5) + (-5,9) = 0
(4 4/7) + 5,4 + (1 4/7) + (-7,4) = 4,14285714
(-0,75) + 6,3 + (-1,1) + ((-1) / 4) + (-6,3) = -2,1
13,5 - 24 + 2,5 - 5,3 + 3,2 = -10,1
a) 12/5 - 4 1/10 + 38/5 - 5 9/10= 24/10-41/10+76/10 - 59/10 = 0
b) 5 8/7 + 2 = 8 1/7
c)-3/4 + 6 3/10 - 1 1/10 -1/4-6 3/10= -1 - 1 1/10= -2 1/10=-2,1
d) 13 5/10 - 24 + 2 5/10 - 5 3/10 + 3 2/10= 16-24- 2 1/10= - 10 1/10= -10,1