Question

Folosind asociaticitatea si comutativitatea inmultirii, calculati cat mai simplu:

1) 2 • 193 • 25 • 2;

2) 20 • 134 • 5 • 25 • 40;

Multumesc ! <3​

Answer 1

Răspuns:

a)2×25×193×2=

50×386

19.300

b)20×5×134×25×40=

100×134×1.000=

13.400 ×1.000=

13.400.000