(7 4/9 - 2 3/10) + (1 7/9 + 4 2/9 - 5 1/2)

Question

(7 4/9 - 2 3/10) + (1 7/9 + 4 2/9 - 5 1/2)

Answer 1

(7 40/90- 2 27/90)+(6-5 1/2)=9 67/90+1/2=9 67/90+45/90=10 22/90=10 11/45

Comments

прости, неправильно