Odpowiedź:
Szczegółowe wyjaśnienie:
-3*(4,2-6,3)=-3*(-2,1)=6,3
(-3 4/5-1/5)*(-3,7+1,4)=(-3 5/5)*(-2,3)=(-4)*(-2,3)=9,2
[tex](-5\frac{1}{7}-\frac{9}{14}):(-1+\frac{17}{35} })= (-5\frac{2}{14} -\frac{9}{14} ):(-\frac{18}{35} )=(-5\frac{11}{14})*(-\frac{35}{18} ) =(-\frac{81}{14})* (-\frac{35}{18} )=[/tex]
=[tex](-\frac{9}{2})*(-\frac{5}{2})=\frac{45}{4}[/tex]
(-2/3)²*(-12,3+3,3)²=4/9*(-9)²=4/9*81=4*9=36
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Odpowiedź:
Szczegółowe wyjaśnienie:
-3*(4,2-6,3)=-3*(-2,1)=6,3
(-3 4/5-1/5)*(-3,7+1,4)=(-3 5/5)*(-2,3)=(-4)*(-2,3)=9,2
[tex](-5\frac{1}{7}-\frac{9}{14}):(-1+\frac{17}{35} })= (-5\frac{2}{14} -\frac{9}{14} ):(-\frac{18}{35} )=(-5\frac{11}{14})*(-\frac{35}{18} ) =(-\frac{81}{14})* (-\frac{35}{18} )=[/tex]
=[tex](-\frac{9}{2})*(-\frac{5}{2})=\frac{45}{4}[/tex]
(-2/3)²*(-12,3+3,3)²=4/9*(-9)²=4/9*81=4*9=36