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Calculează :
(56:7+36:6+26):(8x5:4+42:6-13)=


Răspuns :

(56:7+36:6+26):(8×5:4+42:6-13)
=(8+6+26):(40:4+7-13)
=(14+26):(10+7-13)
=40:(17-13)
=40:4
=10
(8+6+26):(40:4+7-13)=
40:(10+7-13)=
40:(17-13)=
40:4=10