Question

{[(78×a-8):4-96]×3-72}:45=2
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Answer 1

Răspuns:

7,(794871)

Explicație pas cu pas:

{[(78×a-8):4-96]×3-72}=2×45=90

[(78×a-8):4-96]×3=90+72=162

[(78×a-8):4-96]=162:3=54

(78×a-8):4=54+96=150

(78×a-8)=150×4=600

78×a=600+8=608

a=608:78

a=7,(794871)

Succes...