0.(3)=1/3
2.2(13)=2
Пошаговое объяснение:
0.(3)=x
10x=3.(3)
10x-x=9x
3.(3)-0.(3)=3
9x=3
x=
2.2(13)=2.2+0.0(13)
0.(13)=10x
13.(13)=1000x
990x=13
2.2(13)=2+2/10+13/990=2+211/990=2
0.(3)=1/3
2.2(13)=2
Пошаговое объяснение:
0.(3)=x
10x=3.(3)
10x-x=9x
3.(3)-0.(3)=3
9x=3
x=
2.2(13)=2.2+0.0(13)
0.(13)=10x
13.(13)=1000x
990x=13
x=
2.2(13)=2+2/10+13/990=2+211/990=2