Номер 1085 помогите пж

Question

Номер 1085 помогите пж

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Answer 1

1) 5/12 * 4 + 7= 7 5/3
2) 4/9 * 6 +2/3= 8/3+2/3=10/3=3 1/3
3) 2/5 + 5/4 * 2 = 2/5 + 5/2= 4/10 +25/10= 29/10= 2 9/10
4) 23/10*5 + 1/2= 23/2 + 1/2= 24/2=12