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200×{4300×25+[5000×50+(35000-7000)]×30}= ?​

Răspuns :

Răspuns:=200×{4300×25+[5000×50+(35000-7000)]×30}=

=200×[4300×25+(5000×50+28000)×30]

=200×[4300×25+(250000+28000)×30]

=200×(4300×25+278000×30)

=200×(107500+8340000)

=200×8447500

=1689500000

Explicație pas cu pas: