Вычеслите (3 1/3+5 1/6)*2/5-2 3/4\(1 1/2-2/5)

Question

Вычеслите (3 1/3+5 1/6)*2/5-2 3/4\(1 1/2-2/5)

Answer 1

3 1/3+5 1/6=3 2/6+5 1/6=8 3/6=8 1/3
1 1/2-2/5=1 5/10-4/10=1 1/10
8 1/2*2/5=17/2*2/5=17/5=3 2/5
2 3/4:1 1/10=11/4:11/10=5/2=2 1/2
3 2/5-2 1/2=18/5-5/2=36/10-25/10=11/10=1 1/10