Question

Выполните действие : д) -2 5/14 + 3 4/21 е)- 5 13/15 - 11.18
срочно пж Дам 11 балов

Answer 1

д) -2 5/14 + 3 4/21 = 3_8/42 - 2_15/42 = 2_50/42 - 2_15/42 = 35/42 = 5/6

е)- 5 13/15 - 11.18 = - (5_13/15+11_18/100)= -(5_130/150 + 11_27/150)= - 16_157/150 = -17_7/150