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Shadyxv
a fost răspuns

Determinati numarul a din: 6 866+ {36 x 24-[62: (3a+ 7)+ 653]} x15 =10 001

Răspuns :

Raducustoica1
{36*24-[62/(3a+7)+653]}*15 = 10001-6866
{36*24-[62/(3a+7)+653]}*15 = 3135
{36*24-[62/(3a+7)+653]} = 3135 / 15
36*24-[62/(3a+7)+653] = 209
864 - [62/(3a+7)+653] = 209
864 - 209 =  62/(3a+7)+653
655 =  62/(3a+7)+653
655-653 = 62/(3a+7)
2 = 62 / (3a+7)
2*62 = 3a + 7
124 = 3a + 7
124-7 = 3a
117 = 3a
a = 117/3
a = 39

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