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Calculeaza si compara rezultatele folosind semnele 《,=》

867+128×5. □ (867++28) × 5
(4050-1900) ×2 □ 4050-1900× 2
3×7×6×9 □ 3 +7+6+9
525-21×25 □ (525-21) × 0


Răspuns :

867+128×5 < (867+28)×5
(4050-1900)×2 > 4050-1900×2
3×7×6×9 > 3+7+6+9
525-21×25 > (525-21)×0