爱ss靖哥哥
幼苗
共回答了23个问题采纳率:91.3% 举报
1、设原来有a张,则 a-(0.5a+2)=50 求得a=104
所以他原来有104张.
2、设小明原来有b张,则小红原来有(50-b)张,依题意有
b-8=50-b+8 求得 b=33 所以小明原来有33张
3.Last weekend,I studyed English on saturday morning.On last saturday afternoon,I played foodball with my friends.And I helped my mother cook dinner.In the evening,I stayed at home.On last Sunday morning,I watched TV.And in the afternoon I went shopping with my mother.I studyed at home all that night.That was my weekend.
1年前
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爱ss靖哥哥
看来你没学那么深入所以比较难接受哈.. 1、(50+2)×2=104 2、后来两个人邮票数相等,相等后每人有50÷2=25张 小明原有25+8=33 小红原有50-33=17 或 25-8=17张