Question

Выполните действия 305/6-(7 1/3+2 1/4)∙4

Answer 1

$\frac{305}{6} - ( \frac{71}{3} + 5.25) \times 4 \\ \frac{305}{6} - \frac{347}{12} \times 4 \\ \frac{305}{6} - \frac{347}{3} = - 64 \times \frac{5}{6}$

Answer 2

305:6 — (7⅓ + 2¼) • 4 =
1) 305:6= 50 5/6
2) 7⅓ + 2¼ = 7 4/12 + 2 3/12 = 9 7/12 (9.75)
3) 9 7/12 • 4 = 38⅓
4) 50 5/6 — 38⅓ = 50 5/6 — 38 2/6 = 12 3/6 = 12 ½ (12.5)