Rob=R1+ R2*R3/(R2+R3)=1.8 + 2*3/(2+3)=3 Ом
I1=U/Rob=30/3=10 A
U1=R1*I1=1.8*10=18 B
U2=U3=U-U1=30-18=12 B
I2=U2/R2=12/2=6 A
I3=U3/R3=12/3=4 A
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Rob=R1+ R2*R3/(R2+R3)=1.8 + 2*3/(2+3)=3 Ом
I1=U/Rob=30/3=10 A
U1=R1*I1=1.8*10=18 B
U2=U3=U-U1=30-18=12 B
I2=U2/R2=12/2=6 A
I3=U3/R3=12/3=4 A