Ответы на вопрос:
(7-1(5/9)÷(7/24))×1(7/20)=(9/4)=2(1/4)=2,25 1) 1(5/9)÷(7/24)=(14/9)×(24/7)=(7×2×8×3)/(3×3×7)=(2×8)/3=16/3 2) 7-(16/3)=(7×3-16)/3=(21-16)/3=5/3 3) (5/3)×1(7/20)=(5/3)×(27/20)=(5×9×3)/(3×4×5)=9/4=2(1/4)=2,25
410*(95+28860: 39): 167*40-4574014: (441090: 870)=1)28860: 39=740 2)95+740=835 3)441090: 870=507 4)410*835=342350 5)342350: 167=2050 6)2050*40=82000 7)4574014: 507=9021.72386 8)82000-9021.72386=72978.2762
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