1 7
22*(1 + ) =
2 11
3*11 + 7 * 2 33 + 14 47
= 22 * ( ) = 22 * () = 22 * =
22 22 22
22 * 47
= = 47
22
22*(1 1/2+7/11) = 22*(3/2+7/11)=22* (33+14)/22= 47
1 7
22*(1 + ) =
2 11
3*11 + 7 * 2 33 + 14 47
= 22 * ( ) = 22 * () = 22 * =
22 22 22
22 * 47
= = 47
22
22*(1 1/2+7/11) = 22*(3/2+7/11)=22* (33+14)/22= 47