oblicz:
(a)10*3/20*4/5
(b)4 i 1/5*2 i 1/7*3 i 3/6
a)
10 * 3/20 * 4/5 = 30/20 * 4/5 = 3/2 * 4/5 = 6/5 = 1 i 1/5
b)
4 i 1/5 * 2 i 1/7 * 3 i 3/6 = 21/5 * 15/7 * 3 i 1/2 = 9/1 * 7/2 = 63/2 = 31 i 1/2
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a)
10 * 3/20 * 4/5 = 30/20 * 4/5 = 3/2 * 4/5 = 6/5 = 1 i 1/5
b)
4 i 1/5 * 2 i 1/7 * 3 i 3/6 = 21/5 * 15/7 * 3 i 1/2 = 9/1 * 7/2 = 63/2 = 31 i 1/2