问题 口算题
看谁算得又对又快。                                                                          
63÷9=68+16=34×2 =3700+300=7200-2000=
25×2=36-18=46÷2=8000-2000=10000-1000=
14×6=49+35=2000-1500=1500-500=3800+200=
99÷9=80-54=500+5000=12006+600= 2700-600=
答案

7,84,68,4000,5200,50,18,23,6000,9000,84,84,500,1000,4000,11,26,

5500,12606,2100

问答题 简答题
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