Odpowiedź:
Szczegółowe wyjaśnienie:
e) - 9/28 * 16/27 = - 1/7 * 4/3 = - 4/21
f) - 1/10 * (- 15/101) = - 1/2 * (- 3/101) = 3/202
e) - 6/7 * 14/15 * (- 25/8) = - 3/1 * 2/3 * (- 5/4) = 30/12 = 2 6/12 = 2 1/2
f) 5/8 * 18/35 * (- 4/27) = 1/2 * 2/7 * (- 1/3) =- 2/42 = - 1/21
e) 25 * (- 1 2/15) = 25 * (- 17/15) = 5 * (- 17/3) = - 85/3 = - 28 1/3
f) - 3 * 2 7/9 = - 3 * 25/9 = - 1 * 25/3 = - 25/3 = - 8 1/3
e) - 11/18 * (- 5 2/5) = - 11/18 * (- 27/5) = - 11/2 * (- 3/5) = 33/10 = 3 3/10
f) 2 4/5 * 2 13/21 = 14/5 * 55/21 = 2/1 * 11/3 = 22/3 = 7 1/3
e) - 0,25 * ( - 8/73) = - 1/4 * (- 8/73) = - 1/1 * (- 2/73) = 2/73
(- 0,25 = - 25/100 = - 1/4)
f) 1 1/5 * 0,04 = 6/5 * 4/100 = 24/500 = 6/125
lub 1,2 * 0,04 = 0,048 = 48/1000 = 6/125
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Odpowiedź:
Szczegółowe wyjaśnienie:
Odpowiedź:
e) - 9/28 * 16/27 = - 1/7 * 4/3 = - 4/21
f) - 1/10 * (- 15/101) = - 1/2 * (- 3/101) = 3/202
e) - 6/7 * 14/15 * (- 25/8) = - 3/1 * 2/3 * (- 5/4) = 30/12 = 2 6/12 = 2 1/2
f) 5/8 * 18/35 * (- 4/27) = 1/2 * 2/7 * (- 1/3) =- 2/42 = - 1/21
e) 25 * (- 1 2/15) = 25 * (- 17/15) = 5 * (- 17/3) = - 85/3 = - 28 1/3
f) - 3 * 2 7/9 = - 3 * 25/9 = - 1 * 25/3 = - 25/3 = - 8 1/3
e) - 11/18 * (- 5 2/5) = - 11/18 * (- 27/5) = - 11/2 * (- 3/5) = 33/10 = 3 3/10
f) 2 4/5 * 2 13/21 = 14/5 * 55/21 = 2/1 * 11/3 = 22/3 = 7 1/3
e) - 0,25 * ( - 8/73) = - 1/4 * (- 8/73) = - 1/1 * (- 2/73) = 2/73
(- 0,25 = - 25/100 = - 1/4)
f) 1 1/5 * 0,04 = 6/5 * 4/100 = 24/500 = 6/125
lub 1,2 * 0,04 = 0,048 = 48/1000 = 6/125
Szczegółowe wyjaśnienie: