Question

Задание 1 .
Помогите

Answer 1

( а - 206 ) × 4 = 60000

( а + 206 ) ÷ 4 = 6

800 × ( 34 + 66 ) = 80000

800 ÷ ( 166 - 66) = 8

а × ( 34 + 66 ) = 70000

а ÷ ( 166 - 66 ) = 7