16х-х=3105
15х=3105
х=207
х+х+30=928
2х+30=928
2х=928-30
2х=898
х=449
807*95=76665
350886:86=408(6 ост)
6200*89=551800
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16х-х=3105
15х=3105
х=207
х+х+30=928
2х+30=928
2х=928-30
2х=898
х=449
807*95=76665
350886:86=408(6 ост)
6200*89=551800