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Calculeza 5×(2×5+1)4×5+1​

Răspuns :

Răspuns:

5x11x4x5+1 = 55×20+1 = 1100+1 = 1101

Răspuns:

5×(2×5+1)4×5+1

5×10+1 ×20+1

(50+1 )×(20 +1)

52 ×21 = 1092