\(a,25-(-18)+(-43)\)
=\(25+18+(-43)\)
=\(43+(-43)\)
=\(0\)
\(b,(-34)+11+\left|-34\right|+105\)
=\((-34)+11+34+105\)
=\([(-34)+34]+11+105\)
=\(0+11+105\)
=\(116\)
\(c,64+105+147-47.125\)
=\(64+125+(147-47).125\)
=\(64+125+100.125\)
=\(64+125+12500\)
=\(189+12500\)
=\(12689\)
\(d,360\div12.2+[(11-4)^3-343].2020\)
=\(360\div12.2+(7^3-343).2020\)
=\(360\div12.2+0.2020\)
=\(30.2+0\)
=\(60\)