Odpowiedź:
(4⅓ - 2⅖) - 6⅗ - 5⅔) = (4 5/15 - 2 6/15) - 6 9/15 - 5 10/15 =
= 3 20/15 - 2 6/15 - 11 19/15 = 1 14/15 - 11 19/15 = -10 5/15 = -10 1/3
3¼ + 2⅖ - (4⅓ - 2⅔) = 3 5/20 + 2 8/20 - (3 4/3 - 2 2/3) = 5 13/20 - 1 2/3 =
= 5 39/60 - 1 40/60 = 4 99/60 - 1 40/60 = 3 59/60
Szczegółowe wyjaśnienie:
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Odpowiedź:
(4⅓ - 2⅖) - 6⅗ - 5⅔) = (4 5/15 - 2 6/15) - 6 9/15 - 5 10/15 =
= 3 20/15 - 2 6/15 - 11 19/15 = 1 14/15 - 11 19/15 = -10 5/15 = -10 1/3
3¼ + 2⅖ - (4⅓ - 2⅔) = 3 5/20 + 2 8/20 - (3 4/3 - 2 2/3) = 5 13/20 - 1 2/3 =
= 5 39/60 - 1 40/60 = 4 99/60 - 1 40/60 = 3 59/60
Szczegółowe wyjaśnienie: