rozwiąż przykłady z potęgami :
⅔ - 0,8 * 5/16 - {(-2)³]/ 5 : 3/2
\frac{2}{3}-\frac{1}{4}+1\frac{3}{5}*\frac{2}{3}=\frac{8}{12}-\frac{3}{12}+1,4=\frac{5}{12}+\frac{14}{10}=\frac{50}{120}+\frac{168}{120}=\frac{218}{120}=1\frac{118}{120}
⅔ - 0,8 * 5/16 - {(-2)³]/ 5 : 3/2 =
=⅔ - (4/5)*(5/16) - (-8/3) *(2/3) =
= ⅔ - ¼ - (- 16/9) =
= 24/36 - 9/36 + 64/36 =
= 88/36 - 9/36 =
= 79/36=
= 2 i 7/36
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\frac{2}{3}-\frac{1}{4}+1\frac{3}{5}*\frac{2}{3}=\frac{8}{12}-\frac{3}{12}+1,4=\frac{5}{12}+\frac{14}{10}=\frac{50}{120}+\frac{168}{120}=\frac{218}{120}=1\frac{118}{120}
rozwiąż przykłady z potęgami :
⅔ - 0,8 * 5/16 - {(-2)³]/ 5 : 3/2 =
=⅔ - (4/5)*(5/16) - (-8/3) *(2/3) =
= ⅔ - ¼ - (- 16/9) =
= 24/36 - 9/36 + 64/36 =
= 88/36 - 9/36 =
= 79/36=
= 2 i 7/36