Răspuns:
(336+x+2/44)-111+222+333×2/3×2=7
Explicație pas cu pas:
(336+x+2/44)-111+222+666/3 ×2=7
(336+ x+2/44 )-111+222+222 ×2 =7
(336 +x+2/44) +-111+222+444=7
(336+ x+2/44) +555=7
336+ x+2/44=7-555
336+x+2/44=548
x+2/44=548-336
x+2= 212x44
x+2= 9328
x=9326