Pmóżcie
(-5,4+6,7)+(-2,5)-(5,4+6,35)=
(-2,9)+((-17,2)+19,4)+
(-8,9-(-6,3))-(12,35+4,6)=
Oblicz sume 0,75 liczby 1całej pieć szustych i 0,875liczby 42
Oblicz różnice 11/13 liczby 14,625 i 0,8 liczby 8całych jedna trzecia.
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(-5,4+6,7)+(-2,5)-(5,4+6,35)=1,3-2,5-11,75=-1,2-11,75=-12,95
(-2,9)+((-17,2)+19,4)=-2,9+2,2=-0,7
(-8,9-(-6,3))-(12,35+4,6)=(-8,9+6,3)-16,95=-2,6-16,95=-19,55
0,75*1 5/6+0,875*42=3/4*11/6+36,75=11/8+36 3/4=1 3/8+36 6/8=37 9/8=
=38 1/8
1 1/13*14,625-0,8*8 1/3=44/13*14 5/8-8/10*25/3=
=44/13*117/8-40/6=99/2-6 2/3=49 1/2-6 2/3=49 3/6-6 4/6=
=48 9/6-6 4/6=42 5/6