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In a big, red box, there are 5 smaller blue boxes. In each of the blue boxes, there are 5 black boxes. In each of the black boxes, there are 5 yellow boxes. In each of those yellow boxes, there are 5 tiny, gold boxes. How many boxes are there altogether?

Răspuns :

1red box

1×5blue=5blue boxes

5×5black=25black boxes

25×5yellow=125 yellow boxes

125×5gold=625 gold boxes

1red+5blue+25black+125yellow+625gold=781 boxes in total