Question

раскрой скобки 23,6+(14, 5-30,1)-(6,8+1,9)

Answer 1

23,6+(14,5-30,1)-(6,8+1,9)=23,6+14,5-30,1-6,8-1,9=38,1-30,1-6,8-1,9=8-6,8-1,9=1,2-1,9=-0,7