Question

634-[(206×4-618÷3)÷X]×2=222

Answer 1

Răspuns : x =3

Explicație pas cu pas

634 - [(206 ×4 - 618 :3) :x] ×2 =222

634 - [(824 - 206) :x] ×2 =222

634 - (618 :x) ×2 =222

(618 :x) ×2 =634 - 222

(618 :x) ×2 =412

618 :x =412 :2

618 :x =206

x =618 :206

x =3

Verificare

634 - [(206 ×4 - 618 :3) :3] ×2 =222

634 - [(824 - 206) :3] ×2 =222

634 - (618 :3) ×2 =222

634 - 206 ×2 =222

634 - 412 =222

222 =222