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

(8/3)*(8/3)=(64/9)(64/9)*(8/3)=(512/27)512/27)/(256/9)=(2/3)(2/3)+28.2=(433/15)75/96=25/32(433/15)*(25/32)=(2165/96)(2165/96)-4.25=(1757/96)(1757/96)-(5/7)=(11819/672)=17 395/672