решите уравнения:
х+12,4=11,4
х=11,4-12,4
х= -1
проверка -1+12,4=11,4
х=11,4 -12,4
х=-1
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Verified answer
х+12,4=11,4
х=11,4-12,4
х= -1
проверка -1+12,4=11,4
Verified answer
х+12,4=11,4
х=11,4 -12,4
х=-1