文档介绍：×7            ×16                 ×42                ×40             ×             ×            ×            ×           ×            ×              ×          ××23          ×                  ×25           ×         ×            ×            ×             ×200            72÷15               ÷7             86÷16                ÷÷32               ÷4             ÷29                 ÷27            ÷6             ÷11             ÷24                ÷52          ÷12             328÷16             ÷             ÷÷          ÷        ÷           ÷         ÷         ÷             ÷           ÷          ÷12       ÷           ÷        ÷×41     43×46       25×23    66×57     47×33       78×10       84×13         15×46 95×37 45×8698×27          43×9096×54       84×81       – ÷3     ×    328÷41    645÷82282÷32     576×72   412÷53 190×40 45×840       408×60     112×32       430×180      304×320     850×60     56×796       999×97      566×50     269×86      684×895     30×980111×12       567×78     175×90     340×8427×3        90÷15         124×8       278×3         96÷24     405÷21        43×39       37×26  76×39        605÷59       304×23      126×87        27×32        48×27       458×29      73×15         122×66     201×36       68×408         28×274 41×255     608÷42      57×128        310÷70    460×14       470÷18        1000÷25       160×61       26×420      290×30        8100÷30     7600÷22  7600÷40      680+270       980÷14    4200÷35       62×130      130×58       200×48        930×66530+280    9200÷44        840÷22       18×508  8000÷56     1900÷23        208×16    8700÷300     305×33     37×14          7000÷14    600÷18          9600÷88     14×306   8800÷48      9600÷