Question

Упражнение 17.6, 1) и 2)

Answer 1

$1)\ \ a=3,2(3)\\\\10a=32,(3)\\\\100a=323,(3)\\\\100a-10a=323,(3)-32,(3)\\\\90a=291\\\\a=\dfrac{291}{90}\ \ ,\ \ \ a=\dfrac{97}{30}\\\\\\\\2)\ \ a=4,36(13)\\\\100a=436,(13)\\\\10000a=43613,(13)\\\\10000a-100a=43613,(13)-436,(13)\\\\9900a=43177\\\\a=\dfrac{43177}{9900}$

Answer 2

Ответ:

Объяснение:

17.6.

1) 3,2(3)=3 +(23-2)/90=3 +21/90=3 +7/30=3 7/30=97/30

2) 4,36(13)=4 +(3613-36)/9900=4 +3577/9900=4 3577/9900=43177/9900