Ответ:
.
Объяснение:
2x ²= 18/81
2x²= 18/81, x=3/9
1/7x²=7/64 *7
x² = 49/64, x=7/8
5 20/121 = 5*121+20 = 625
x²= 625/121 , x=25/11
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Answers & Comments
Ответ:
.
Объяснение:
2x ²= 18/81
2x²= 18/81, x=3/9
1/7x²=7/64 *7
x² = 49/64, x=7/8
5 20/121 = 5*121+20 = 625
x²= 625/121 , x=25/11