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calculati [3,4] [20,40,50]

Răspuns :

3=3
4=2²
3, 4(in paranteze patrate)=2²×3=4×3=12
20=2²×5
40=2³×5
50=5²×2
20, 40, 50(tot in paranteze patrate)=2³×5²=8×25=200