4х-2×(4+7х)+2х=3 4х-8-14х+2х=3 -8х=11 х=11/-8 = -1⅜
3×6×3:2×√3
3×3×3√3
Ответ:27√3.
154*2,50=385. 76*3=228. 385+228=613
4-4=0
4/4=1
4+4-((4/4+4)+4/4)=2
(4+4+(4/4))-(4/4+4+(4/4))=3
(4/4+4)-4/4=4
4/4+4=5
(4/4+4)+4/4=6
44/4-4=7
4+4=8
4+4+(4/4)=9
(4+4+(4/4))+4/4=10
5^8/5^7 = 5
(–4)^11/(–4)^6 = (–4)^5