Помогите! Номер 865. Очень срочноо!

1) = 3*3 * 1 1/6 = 9* 7/6= 3* 7/2 = 21/2 = 10 1/2= 10,5 2) = 2 2/3 : 2*2*2 = 8/3 : 8= 1/3 3) = 29,791+2,75=32,541 4) = 26-4,41= 21,59 5) = 9/4*8 = 9*2 = 18 6) = 512/27:4/9 = 128/3