Odpowiedź:
36/35 - 5/7 - 5/35 = 31/35 - 25/35 = 6/35
6 3/10 + 3 4/5 - 3 2/5 + 3 1/2 = 6,3 + 2/5 + 3,5 = 9,8 + 0,4 = 10.2
-3 2/5 + 3 1/2 = -3,4 + 3,5 = 0,1
10 1/6 - (12 3/4 - 7 5/6) - 3 1/2 = 10 1/6 - 12,75 + 7 5/6 - 3,5 = 18 - 16,25 = 1,75
1 3/4 + (99 7/20 - 89 2/5) - 1 1/2 = 1 3/4 - 1 2/4 + (99 7/20 - 89 8/20) =
= 1/4 + 98 27/20 - 89 8/20 = 0,25 + 10 19/20 = 0,25 + 10,95 = 11 ,2
Szczegółowe wyjaśnienie:
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Odpowiedź:
36/35 - 5/7 - 5/35 = 31/35 - 25/35 = 6/35
6 3/10 + 3 4/5 - 3 2/5 + 3 1/2 = 6,3 + 2/5 + 3,5 = 9,8 + 0,4 = 10.2
-3 2/5 + 3 1/2 = -3,4 + 3,5 = 0,1
10 1/6 - (12 3/4 - 7 5/6) - 3 1/2 = 10 1/6 - 12,75 + 7 5/6 - 3,5 = 18 - 16,25 = 1,75
1 3/4 + (99 7/20 - 89 2/5) - 1 1/2 = 1 3/4 - 1 2/4 + (99 7/20 - 89 8/20) =
= 1/4 + 98 27/20 - 89 8/20 = 0,25 + 10 19/20 = 0,25 + 10,95 = 11 ,2
Szczegółowe wyjaśnienie: