Obliczyc!!
a) 82 i 2/11 + 3 i 1/3 =
b) 160 i 2/7 - 1 i 3/14=
c) 5 i 1/2 * 1 i 7/11=
d) 5 i 2/3 : 2 i 1/4 =
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82 2/11 + 3 1/3= 82 8/44 + 3 15/44= 85 23/44
160 2/7 - 1 3/14= 160 4/14 - 1 3/14 = 159 1/14
5 1/2 * 1 7/11= 5 11/22 * 1 14/22=121/22 *36/22= 121/11*18/22=2178/242=9
5 2/3 / 2 1/4 = 5 8/12 / 2 3/12=68/12 / 47/12=68/12 * 12/47= 68/1*1/47=68/47=1 21/47
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