百度试题 结果1 题目19times 19=?相关知识点: 试题来源: 解析 19×19=361 故答案为:361.反馈 收藏
制值林计算 13 \times 15 = 13 \times 15 = 21 \times 19 = 21 \times 19 = 19 \times 13 = 19 \
180×19≈180×20=3600所以:算180×19时,可以把19看作 20,结果约是 3600.故答案为:20,3600. 19接近20,所以估算180×19时,先把19看成20,再计算. 本题考点:整数的乘法及应用 数的估算 考点点评: 本题考查了整数乘法的估算,估算时先把因数看成和它接近的整十、整百、整千…的数再计算. 解析看不懂?
题目 48×19≈1000.___.(判断对错) 扫码下载作业帮拍照答疑一拍即得 答案解析 查看更多优质解析 举报 48×19≈50×20=1000故答案为:√. 解析看不懂?免费查看同类题视频解析查看解答 特别推荐 二维码 回顶部©2021 作业帮 联系方式:service@zuoyebang.com 作业帮协议...
The coronavirus disease 2019 (COVID-19) pandemic markedly changed human mobility patterns, necessitating epidemiological models that can capture the effects of these changes in mobility on the spread of severe acute respiratory syndrome coronavirus 2 (SA
$$【解析】 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 1 0 + 1 1 + 1 2 + \\ 1 3 + 1 4 + 1 5 + 1 6 + 1 7 + 1 8 \\ = ( 1 + 1 8 ) \times 9 \\ = 1 9 \times 9 \\ = 1 7 1 ( 次 ) $$ 答:他们一共握了171次手。【复合应用题的含义】有两个或...
$$ 7 5 \times 1 9 = 1 4 2 5 ( 元 ) 。 $$ $$ 1 7 2 5 \div 7 5 = 2 3 ( m ) $$ 答:19_{蜜蜂一年可以酿$$ 1 4 2 5 千克 $$蜂蜜。一年要酿$$ 1 7 2 5 = $$ 蜂蜜需要养 $$ 2 3 _ { m } $$蜜蜂。
WASHINGTON, May 30 (Xinhua) -- The seven-day average daily new COVID-19 cases as of Saturday in the United States is 119,725, more than six times it was last year, The Hill reported Sunday, citing data from the Johns Hopkins University Coronavirus Resource Center. ...
LOS ANGELES, May 30 (Xinhua) -- As the United States marks Memorial Day weekend and the unofficial start of summer, the seven-day average for COVID-19 cases in the country are more than six times what they were a year ago, according to a report of The Hill. ...
商标名称 时19 NINETEEN TIMES 国际分类 第25类-服装鞋帽 商标状态 商标注册申请 申请/注册号 10955503 申请日期 2012-05-22 申请人名称(中文) 汕头市联信荣服装有限公司 申请人名称(英文) - 申请人地址(中文) 广东省汕头市龙湖区桂欣西路十巷5号4楼 申请人地址(英文) - 初审公告期号 - 初审公告日期 2013...