Zapisz wyrażenie w postaci potęgi i oblicz jego wartość:
a) [(1/9:8/27):16/48]:81/128
[(0,1)2 ]0 + [(1/7) – 1 ]2 *1/49 *[(22 )3 :25 ]
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a) [(1/9:8/27):16/48]:81/128 = [(1/9 * 27/8) * 48/16] : 128/81 =
(3/8 * 48/16) : 128/81 = 18/16 * 81/128 = 1458/2048 = 729/1024
[(0,1)2 ]0 + [(1/7) – 1 ]2 *1/49 *[(22 )3 :25 ] = 0 - 6/7 * 2 *1/49 * 10648: 25 =
-12/7 *1/49 * 10648: 25 = -12/343 * 10648/25 = -127776/ 8575 = = 14 i 7726/8575