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Vivi85
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(a×73+546×84)÷2-8048=80000

Răspuns :

(a·73+546·84):2-8048=80000

(a·73+45864):2=80000+8048

(a·73+45864):2=88048

a·73+45864=88048·2

a·73+45864=176096

a·73=176096-45864

a·73=130232=>a= [tex]\frac{130232}{73}[/tex]=1784

Sper să te ajute! ^_^
(a×73+546×84)÷2-8048=80000
(a×73+546×84)÷2=80000+8048
(a×73+546×84)÷2=88048
(a×73+546×84)=88048x2
a×73+546×84=176096
ax73+45864=176096
ax73=176096-45864
ax73=130232
a=130232:73
a=1784