Сравни (1308+1602)×5* 1308×5+1602×5(1308+1602)×5* 1309×5+1602×5

Question

Сравни (1308+1602)×5* 1308×5+1602×5

(1308+1602)×5* 1309×5+1602×5

Answer 1

(1308+1602)*5 1309*5+1602*51308+1602=2910*5=145501309*5=6545+1602*5=6545+8010=14555

Comments

5(2910+1308+1602)

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сспасибо

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5*5820

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=29100

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2)(1308+1602)×5* 1309×5+1602×5

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2910*5+1309*5+1602*5

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5(2910+1309+1602)

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5*5821

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=29105

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Вот всё ))))