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45+7×[307-816:(9-5)]-8×1+742 ​

Răspuns :

Răspuns:

45+7×[307-816:(9-5)]-8×1+742=

45+7×(307-816:4)-8+742=

45+7×(307-204)-8+742=

45+7×103-8+742=

45+721-8+742=

1500

Explicație pas cu pas:

45+7×[307-816:(9-5)]-8×1+742=

=45+7×(307-816:4)-8×1+742=

=45+7×(307-204)-8×1+742=

=45+7×103-8×1+742=

=45+721-8+742=

=763+734

=1497