Предмет: Математика, автор: гузя4

реши уравнения 7*х=91 ,х:18=20

Ответы

Автор ответа: hentaiboys
0
7*х=91
х=91:7
х=13
7*13=91
91=91
 

х:18=20
х=20*18
х=360
360:18=20
20=20
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