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264÷4×(500-666÷6-975÷5)-3×(230-5×17)=

Răspuns :

66•(500-111-195)-3•(230-85) = =66•194-3•145=12804-435=12369
264÷4×(500-666÷6-975÷5)-3×(230-5×17)⇔
⇔66×(500-111-195)-3×(230-85)⇔
⇔66×194-3×145⇔
⇔12804-435=
=12369
Răspuns final:12369