1) (х-19,18):2,45=5,42
х-19,18=5,42*2,45
х-19,18=13,279
х=13,279+19,18
х=32,459
2) а:8,7+16,441=19,571
а:8,7=19,571-16,441
а:8,7=3,13
а=3,13*8,7
а=27,231
1) (х-19,18):2,45=5,42
х-19,18=5,42*2,45
х-19,18=13,279
х=13,279+19,18
х=32,459
2) а:8,7+16,441=19,571
а:8,7=19,571-16,441
а:8,7=3,13
а=3,13*8,7
а=27,231