а)7/27 10 + 8 7/27= (70/27) + (56/27)= (70 + 56)/27= 126/27= 14/3
б)11/36 17 - 5 11/36= (187/36) - (55/36)= (187 - 55)/36= 132/36= 11/3
а)
7/27 10 + 8 7/27
= (70/27) + (56/27)
= (70 + 56)/27
= 126/27
= 14/3
б)
11/36 17 - 5 11/36
= (187/36) - (55/36)
= (187 - 55)/36
= 132/36
= 11/3