110-[d-15×(152-15×16)]=18 repede varog dau coroana

Răspuns :

110-[d-15×(152-15×16)]=18
110-[d-15×(152-240)] = 18
d-15×(-88) = 110-18
d-15×(-88) = 92
d-15× (-88) = 92
d - (- 1320) = 92
d + 1320 =92
d = 92 - 1 320
d = - 1 228