oblicz wartość wyrażeń liczbowych
a)( 2/3* 7+2 i 1/4 -1i 5/6):3i 2/9
a) ( 2/3 * 7+2 i 1/4 - 1 i 5/6 ) / 3 i 2/9= ( 2/3 *7 +2 i 3/12 - 1 i 10/12) : 29/9=
14/3 + 1 i 15/12 - 1 i 10/12: 9/29= 14/3+ 5/12*29/9=14/3+145/108=504/108+145/108=649 /108 = 6 i 1/108.
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a) ( 2/3 * 7+2 i 1/4 - 1 i 5/6 ) / 3 i 2/9= ( 2/3 *7 +2 i 3/12 - 1 i 10/12) : 29/9=
14/3 + 1 i 15/12 - 1 i 10/12: 9/29= 14/3+ 5/12*29/9=14/3+145/108=504/108+145/108=649 /108 = 6 i 1/108.