StairsBY 11: Learn the multiplication tables.
FREE FOR A LIMITED TIME!!!Designed by a math teacher specifically for schoolchildren, StairsBY 11 is an educative software, but also an addictive game …
Christophe ASSELAH
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Christophe ASSELAH
StairsMINUS: Learn subtraction tables up to 50.
Designed by a math teacher, StairsMINUS is an educative software, but also an addictive game. Your aim : follow on the subtraction tables up to 50th. …
StairsPLUS : Learn sum tables up to 50.
Designed by a math teacher, StairsPLUS is an educative software, but also an addictive game. Your aim : follow on the sum tables up to 50th. The first …
StairsBY : Learn multiplication tables up to 50.
50% OFF FOR A LIMITED TIME!!!Designed by a math teacher, StairsBY is an educative software, but also an addictive game. Your aim : follow on the multi …
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