Question

x=radical din 3 ori 0,(3)+radical din 30 ori 0.0(3) + radical din 300 ori 0,00(3) +radical din 3000 ori 0,000(3) va rog ajuratima

Answer 1

√(3*1/3)+√(30*1/30)+√(300*1/300)+√(3000*1/3000)=

=√1+√1+√1+√1=1+1+1+1=4
as simple as that!

am tinut cont ca


0,0(3)=3/90=1/30
0,00(3)=3/900=1/300
0,000(3)=3/9000=1/3000