(23.079/7.8-6.8/17*3.04-2.04)*3.04-2.04*0.85
1)23,079:7,8=2,9588462
2)6,8:17=0,4
3)0,4*3,04=1,216
4)2,9588462-1,216=1,7428462
5)1,7428462-2,04=-0,2971538
6)-0,2971538*3,04=-0,9033476
7)2,04*0,85=1,734
8)-0,9033476-1,734=-2,6373476
Ответ: -2,6373476
Выражение: (23.079/7.8-6.8/17*3.04-2.04)*3.04-2.04*0.85
Ответ: -(428569//162500)
1) 23.079=23079//1000 2) 7.8=78//10 3) 78//10=39//5 4) (23079//1000)/(39//5)=(7693//2600) 5) 6.8=68//10 6) 68//10=34//5 7) (34//5)/17=(2//5) 8) 3.04=304//100 9) 304//100=76//25 10) (2//5)*(76//25)=(152//125) 11) (7693//2600)-(152//125)=(22657//13000) 12) 2.04=204//100 13) 204//100=51//25 14) (22657//13000)-(51//25)=-(3863//13000) 15) (-(3863//13000))*3.04=-(3863//13000)*3.04 16) 3.04=304//100 17) 304//100=76//25 18) (3863//13000)*(76//25)=(73397//81250) 19) 2.04=204//100 20) 204//100=51//25 21) 0.85=85//100 22) 85//100=17//20 23) (51//25)*(17//20)=(867//500) 24) -(73397//81250)-(867//500)=-(428569//162500)
Окончательный ответ: -2.63734769230769