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Zadanie w załączniku, daje naj
a) 2,4+(-1 1/2)=2,4+(-3/2)=2,4+(-1,5)=2,4-1,5=0,9
b) -2 5/6+0,4= -17/6+0,4= -73/30
c) (-1,6)+(-1 1/2)= -1,6+(-3/2)= -1,6+(-1,5)= -1,6-1,5= -3,1
d) (-1 1/4)-(-4,6)= -5/4-(-4,6)= -1,25-(-4,6)= -1,25+4,6=3,35
e) 0,8+(- 4/5)=0,8+(-0,8)=0,8-0,8=0
f) (-0,75)-(- 3/4)= -0,75-(-0,75)= -0,75+0,75=0
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a) 2,4+(-1 1/2)=2,4+(-3/2)=2,4+(-1,5)=2,4-1,5=0,9
b) -2 5/6+0,4= -17/6+0,4= -73/30
c) (-1,6)+(-1 1/2)= -1,6+(-3/2)= -1,6+(-1,5)= -1,6-1,5= -3,1
d) (-1 1/4)-(-4,6)= -5/4-(-4,6)= -1,25-(-4,6)= -1,25+4,6=3,35
e) 0,8+(- 4/5)=0,8+(-0,8)=0,8-0,8=0
f) (-0,75)-(- 3/4)= -0,75-(-0,75)= -0,75+0,75=0