Question

(3 1/3+5 1/6)•2/5-2 3/4:(1 1/2-2-5) решите пожалуйста

Answer 1

1) 3 1/3+5 1/6=3 2/6+5 1/6 = 8 3/6 = 8 1/2=8,5
2) 1 1/2-2-5=1,5-2-5=-0,5-5=-6
3)8,5*2/5=85/10*4/10=19/5

Answer 2

5) 19/5-(-7/24)=38/10-(-7/24)=38/10+7/24=456/120+35/120 =491/120 = 4 11/120 ≈ 4.09