|x-2,(7)|=3,(91) Решить уравнение. Created by Kirkon228. matematika-ru

|x-2,(7)|=3,(91) Решить уравнение...

July 2022 2 12 Report

|x-2,(7)|=3,(91) Решить уравнение

sergeygutsko 2,(7) = 2 7/9 = 2 77/99

3,(91) = 3 91/99

|x - 2 77/99| = 3 91/99

1)
x - 2 77/99 = 3 91/99
x = 2 77/99 + 3 91/99 = 5 168/99 = 6 69/99 = 6 23/33

2)
x - 2 77/99 = -3 91/99
x = 2 77/99 - 3 91/99 = -1 14/99

Ответ: -1,(14) и 6,(69)

2 votes Thanks 1

IrkaShevko

Verified answer

|x-2,(7)|=3,(91) ⇔ |x – 25/9| = 388/99 ⇔ x – 25/9 = ±388/99.

Ответ: –113/99, 221/33

0 votes Thanks 1

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