Odpowiedź:
a) (4,4 - 2) * 5/8 = 2,4 * 5/8 = 24/10 * 5/8 = 3/2 * 1/1 = 3/2 = 1 1/2
b) 4/5 + 2,4 : 0,4 - 0,2 = 4/5 + 6 - 2/10 = 8/10 + 6 - 2/10 = 6 6/10 = 6 3/5
c) 10 2/3 - 2 1/3 + 2/3 = 10 4/3 - 2 1/3 = 8 3/3 = 9
d) 3,6 * 5/12 - 1/2 * 3 = 36/10 * 5/12 - 3/2 = 3/2 * 1/1 - 3/2 = 3/2 - 3/2 = 0
e) (12 - 3,6 : 2) * 4 = (12 - 1,8) * 4 = 10,2 * 4 = 40,8
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Odpowiedź:
a) (4,4 - 2) * 5/8 = 2,4 * 5/8 = 24/10 * 5/8 = 3/2 * 1/1 = 3/2 = 1 1/2
b) 4/5 + 2,4 : 0,4 - 0,2 = 4/5 + 6 - 2/10 = 8/10 + 6 - 2/10 = 6 6/10 = 6 3/5
c) 10 2/3 - 2 1/3 + 2/3 = 10 4/3 - 2 1/3 = 8 3/3 = 9
d) 3,6 * 5/12 - 1/2 * 3 = 36/10 * 5/12 - 3/2 = 3/2 * 1/1 - 3/2 = 3/2 - 3/2 = 0
e) (12 - 3,6 : 2) * 4 = (12 - 1,8) * 4 = 10,2 * 4 = 40,8
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Szczegółowe wyjaśnienie: