Вычислите 4 - 7/12+1 5/6 + 2 1/3 - 1 1/4

Question

Вычислите 4 - 7/12+1 5/6 + 2 1/3 - 1 1/4

Answer 1

1) 4 -7/12+1 5/6+2 1/3-1 1/4=4-7/12+11/6+7/3-5/4=4-7/12+22/12+28/12-15/12=4-28/12=4-7/3=12/3-7/3=5/3=1 2/3.