a)
* to razy.
1* to potęga.
() to nawias.
5/7 * 1 i 3/4 - (1/2)2* =
b)
(1/3)2* * 1 i 1/8 + 1 i 1/ =
5/7 * 1 i 3/4 - (1/2)2* = 5/7 * 7/4 - 1/4 =5/4 -1/4 =4/4 = 1
(1/3)2* * 1 i 1/8 + 1 i 1/ =1/9 * 9/8 +9/8 =1/8 + 9/8 = 10/8 = 1 i 2/8 =1 i 1/4
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5/7 * 1 i 3/4 - (1/2)2* = 5/7 * 7/4 - 1/4 =5/4 -1/4 =4/4 = 1
(1/3)2* * 1 i 1/8 + 1 i 1/ =1/9 * 9/8 +9/8 =1/8 + 9/8 = 10/8 = 1 i 2/8 =1 i 1/4