Задание:
(5 3/8+18 1/2 -c): 8 1/2=2 3 1/2 — 2 2/3+b+4 3/5)*24=270 2/5
Решение:
(5 3//8+18 1//2-c): 8 1//2=2 (5,375+37//2-c) 8 1//2) -2=0 (23,875-c) 17//2) -2=023,875/8,5-c/8,5-2=0 (55//68) -c/8,5=0c=55//68*8,5c=6,875 (3 1//2-2 2//3+b+4 3//5)*24=270 2//5 (3,5-8//3+b+4 3//5)*24-270 2//5=0 (5//6+b+4,6)*24-270 2//5=0130,4+24b-1352//5=0-140+24b=0b=140/24b=35//6b=5 5//6// — черта дроби
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