奥数题:A+B=2300,小红计算时将A个位上的0漏掉了
- 时间:2020-06-09 15:27:22
- 分类:数学世界
- 阅读:127 次
数学题:A+B=2300,小红计算时将A个位上的0漏掉了,结果算出的和是1220,求A、B分别多少。
数学题解答:“小红计算时将A个位上的0漏掉了”说明A变成原来的1/10,现在的数与原来的数相差9倍。
前后相差:2300-1220=1080
现在的A:1080÷(10-1)=120
原来的A:120×10=1200
B是多少:2300-1200=1100
推荐阅读:‘Labeled For Reuse’ Gone: The Latest Disarming Change on Google Blogging Magnates and Their Incredible Wealth Join this Niche: Inspirational Charitable and Non-Profit Blogs 7 Passive Income Ideas to Complement Your Blog Funny YouTuber Creates Device to Shoot Facemasks To Your Face YouTube’s New “Viewer Applause” Feature Provides Revenue for Blo Taiwanese Instagram Grandparents Prove Blogging and Social Media These Incredible Hologram Machines Could Change the Vlogging Gam Prepare All Keyboard Warriors: A TikTok and Twitter Merger is Ab Content Creation Platforms That Pay in Crypto
- 评论列表
-
- 添加评论