文档介绍：5+4=        3+6=        4+2=        9+0=        2+7=1+7=        6+4=        7+3=        2+3=        0+10=10-2=       9-3=        8-7=        9-5=        6-2=5-4=        10-9=       7-3=        8-4=        7-6=2+6=      9-7=            3+2=           3+4=     5+4=     3+5=           7+1=            9-3=          8-3=          5-4=       8-2=           0+8=        3+1=          6+1=          7+3=      10-2=      7-2=          6-4=           9-2=         10-9=5+5=        5+2=            9-4=           8+1=     2-1=     4+6=            2+7=             9-5=       3+3=        4-2=      10-4=          1+2=         5-3=         0+8=         10-7=      2+4=        6-5=         4+4=          5-1=          1+9=8-4=         6+0=           3-3=            1+5=       10-5=    1+1=          8+1=           4-1=          9-3=      3+6=      2+6=            9-7=            3+2=       3+4=        5+4=       3+5=           7+1=       9-3=           8-3=          5-4=8-2=       0+8=            3+1=            6+1=    7+3=     10-2=         7-2=            6-4=        9-2=         10-9=       5+5=      5+2=             9-4=        8+1=            2-1=      4+6=           2+7=          9-5=             3+3=         4-2=10-4=      1+2=                 5-3=            0+8=         10-7=      2+4=              6-5=            4+4=          5-1=         1+9=         8-4=           6+0=         3-3=      1+5=            10-5=     1+1=           8+1=       4-1=             9-3=         3+6=3+6=      9-7=              3+2=            3+4=     5+4=      3+5=              7+1=           9-3=          8-3=        5-4=         8-2=            0+8=            3+1=           6+1=            7+3=       10-2=         7-2=        6-4=         9-2=         10-9=5+5=        5+2=         9-4=            8+1=    2-1=     4+6=          2+7=              9-5=          3+3=        4-2=        10-4=            1+2=           5-3=          0+8=            10-7=       2+4=          6-5=    4+4=              5-1=