如题所述
4=10i1-20i2,2=5i1-10i2........(1)
-2=20i2+10(i1+i2+0.1),-3=10i1+30i2......(2)
(1)x3 +(2) 3=25i1,i1=0.12A,i2=-0.14A,i3=0.08A。