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प्रश्न
In how many ways can you colour a rectangle of 20 boxes? Colour them all in the grid, and write the length and width of each rectangle you have coloured.
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उत्तर
This can be done in three ways: 10 x 2, 20 x 1, and 5 x 4
संबंधित प्रश्न
9 8
+ 4 A
C B 3
Fill in the blank:
Every number is a multiple of ______
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