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Mathematics, 10.02.2021 01:00 alyssadgonzalez
The “staircase” below is 4 units tall and contains 10 unit squares. Suppose the staircase were extended until it was 12 units tall. How many unit squares would it then contain all together?
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The “staircase” below is 4 units tall and contains 10 unit squares. Suppose the staircase were exten...
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