sB
    2b-8
    4622416/666
    987654321/123456789
    123456789/987654321
    4.|6224164
    4.6|224164
    4.|624166
    0.|62216
    62.216|62216
    1.56732342
    3+x
    2. 5
    2.355301
    13.225
    23445566/1234
    12.3636...
    344/33
    2.695865
    2x^2+98 = (16-2x)^2

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