Here we ask the inverse problem: given a rational number r, we want to decompose r into a sum of two or more rational numbers, the latter having predetermined denominators.
We guarantee that each question asked has at least one solution. In general, the solution of this kind of question is not unique. And any good solution will be recognized by the software.
Choose the level of difficulty which suites you: 1 . 2 . 3 . 4 . 5 . 6 . 7 . 8 .
There is also a
detailed menu to parametrize this exercise.
The most recent version
Please take note that WIMS pages are interactively generated; they are not ordinary HTML files. They must be used interactively ONLINE. It is useless for you to gather them through a robot program.