to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the licence, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible licence as the original.
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1 the length unit and 3 are marked: the dimensions of two squares. Their areas 1 and 3² are inscribed, justified by a grid dividing the surface into nine squares of area 1. One of the four equalities: 3 = √9 is inscribed as the largest length.