a ) 5/6 + 3 i 11/12 ,
b ) 1/4 + 1/5 + 3/10 ,
c ) 5 + 7 i 8/9 + 4 i 7/8.
prosze dokładne obliczenia . ; - **
dzięki. ! XD
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a ) 5/6 + 3 i 11/12 = 10/12 + 3 i 11/12= 3i 21/12 = 4 i 9/12 = 4 i 3/4
b ) 1/4 + 1/5 + 3/10 = 5/20 + 4/20 + 6/20 = 15/20 = 3/4
c ) 5 + 7 i 8/9 + 4 i 7/8= 5+ 7 i 64/72 + 4 i 63/72 = 16 i 127/72 = 17 i 55/72