题文

看谁算得又快又准。   8+9=                               15 - 8=                           6+7 =                            17 - 8=     11 - 8=                            17 - 10 =                        9+7=                             11 - 7+9 =     14 - 4+8=                        16 - 9+8=                       17-7-8=                          6+5 - 9=

题型：口算题  难度：偏易

答案

17；7；13；9；3；7；16；13；18；15；2；2