(54000 ÷ 6 ÷ 10 − 30 ∙ 6) ∙ (10 ∙ 20 ∙ 5 ∙ 10 − 99 ∙ 101) = (980 - 180) · (10000 - 9999) = 720 · 1 = 720
Answer:
720
Step-by-step explanation:
