1.b> , / (i> .i>); a solution to the problem of unemployment / ; do you have a better solution? ? there's no simple solution to this problem / ;
2.b> , (, i> .i>); the solution to the quiz will be published next week ; the solution to last week's puzzle is on page 12 / -12 ;
3.b> ; saline solution ; ; a weak sugar solution ; an alkaline solution ;
4.b> i> ( i>); the solution of glucose in water ;
5.b> .i> ( i>); he achieved a solution on the leading plane ( i>).