Mathematics, 11.10.2019 04:30 cicilee49

Ann made a 33-step staircase using 1818 toothpicks as shown in the figure. how many toothpicks does she need to add to complete a 55-step staircase?

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Ann made a 33-step staircase using 1818 toothpicks as shown in the figure. how many toothpicks does...