Odpowiedź:
Szczegółowe wyjaśnienie:
5,4 - 6 8/13 = 5 4/10 - 6 8/13 = 5 42/130 - 6 80/130 = -1 -38/130
- 8 3/4 + 7,99 = - 8 3/4 + 7 99/100 = -8 75/100 + 7 99/100 = -1 174/100 = 74/100
-6,04 - (-5 20/21) = -6 4/100 + 5 20/21 = -6 84/2100 + 5 2000/2100 =
= -1 2084/2100
7,88 + (-7 4/5) = 7 88/100 - 7 80/100 = 8/100
- 6,3 : (- 1 /3) = -6 3/10 : (-1/3) = -6 9/30 : (-10/30) = -189/30 * (-30/10) =
= -189/30 * (-3) = 189/10 = 18,9
- 0,06 * (- 17/18) = -6/100 * (-17/18) = 17/300
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Odpowiedź:
Szczegółowe wyjaśnienie:
5,4 - 6 8/13 = 5 4/10 - 6 8/13 = 5 42/130 - 6 80/130 = -1 -38/130
- 8 3/4 + 7,99 = - 8 3/4 + 7 99/100 = -8 75/100 + 7 99/100 = -1 174/100 = 74/100
-6,04 - (-5 20/21) = -6 4/100 + 5 20/21 = -6 84/2100 + 5 2000/2100 =
= -1 2084/2100
7,88 + (-7 4/5) = 7 88/100 - 7 80/100 = 8/100
- 6,3 : (- 1 /3) = -6 3/10 : (-1/3) = -6 9/30 : (-10/30) = -189/30 * (-30/10) =
= -189/30 * (-3) = 189/10 = 18,9
- 0,06 * (- 17/18) = -6/100 * (-17/18) = 17/300