((2 2/3)в кубе÷ 28 4/9 +2,2)×75/96 - 4,25 - 5/7=

<span>(2 2/3)</span>³ <span>÷ 28 4/9=(8/3)</span>³:256/9=512/27*9/256=2/3
2/3+2.2=2/3+11/5=10/15+33/15=43/15
43/15*75/96=5/2=2.5
2.5-4.25=-1.75
-1.75-5/7=-7/4-5/7=-49/28-20/48=-69/48=-1 7/16