Предмет: Математика, автор: Sheri2772

Найдите сумму удобным способом 23+25+27+29+31+33+35+37

Ответы

Автор ответа: ambre2005

0

23 + 27 = 50
29+31=60
33+37=70
25+35=60
60+70+60+50=240

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