Question

6) 40 12 5 +x=61/1/20 2 - x = 37,7;​

Answer 1

Ответ:

$x=20\frac{17}{20}$

Пошаговое объяснение:

$40\frac{5}{12}+x=61\frac{4}{15}\\\\x=61\frac{4}{15}-40\frac{5}{12}\\\\x=61\frac{16}{60}-40\frac{25}{60}\\\\x=60\frac{76}{60}-40\frac{25}{60}\\\\x=20\frac{51}{60}\\\\x=20\frac{17}{20}$

Answer 2

Ответ:

20,85

Пошаговое объяснение:

$\tt\displaystyle 40\frac{5}{12}+x =61\frac{4}{15} \\\\\\x=61\frac{4}{15}-40\frac{5}{12} \\\\\\x=61\frac{4*4}{60}-40\frac{5*5}{60} \\\\\\x=61\frac{16}{60}-40\frac{25}{60}\\\\\\x=60\frac{76}{60}-40\frac{25}{60}\\\\\\x=20\frac{51}{60}\\\\\\x=20\frac{17}{20}\\\\\\x=20,85$