1)12>х<6
2)220×х+460=6300÷7
220×х+460=900
220×х=900-460
220×х=440
х=440÷220
х=2
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1)12>х<6
2)220×х+460=6300÷7
220×х+460=900
220×х=900-460
220×х=440
х=440÷220
х=2