7天解决婴儿落地醒
@咎雨3007：原始社会时期,人们通过在绳子上打结来计算数量,即“结绳计数”.当时有位父亲,为了准确记录孩子的成长天数,在粗细不同的绳子上打结,由细到粗,... - 作业帮
门雨15356973319…… [答案] 由题意满七进一,可得该图示为七进制数, 化为十进制数为1*73+3*72+2*71+6*70=510. 故答案为:510.
@咎雨3007：原始社会时期,人们通过在绳子上打结来计算数量,即“结绳计数”,当时有位父亲,为了准确记录孩子的成长天数,在粗细不同的绳子上打结,由细到... - 作业帮
门雨15356973319…… [选项] A. 1326 B. 510 C. 429 D. 336
@咎雨3007：有一批儿童读物,第一天卖出1800本,第二天比第一天多卖出1/9,还剩下总本数的3/7在第三天全部卖完,这批儿童读物一共多少本? - 作业帮
门雨15356973319…… [答案] 设读物一共有x本 x-1800*﹙1+1+1/9﹚=3/7x 解得x=6650
@咎雨3007：我家宝宝2个月,现在是落地响,白天睡觉放不到床上,一放就醒... -
门雨15356973319…… [答案] Breakfast is the most important one of the day. Though you were not well prepared,you did a nice job. It's time for the meeting. Give us another example,will you? I can't decide which pair of shoes to choose. The child was scared speechless. Ann got an ...
门雨15356973319…… [答案] 由题意满七进一,可得该图示为七进制数, 化为十进制数为1*73+3*72+2*71+6*70=510. 故答案为:510.
@咎雨3007：原始社会时期,人们通过在绳子上打结来计算数量,即“结绳计数”,当时有位父亲,为了准确记录孩子的成长天数,在粗细不同的绳子上打结,由细到... - 作业帮
门雨15356973319…… [选项] A. 1326 B. 510 C. 429 D. 336
@咎雨3007：有一批儿童读物,第一天卖出1800本,第二天比第一天多卖出1/9,还剩下总本数的3/7在第三天全部卖完,这批儿童读物一共多少本? - 作业帮
门雨15356973319…… [答案] 设读物一共有x本 x-1800*﹙1+1+1/9﹚=3/7x 解得x=6650
@咎雨3007：我家宝宝2个月,现在是落地响,白天睡觉放不到床上,一放就醒... -
门雨15356973319…… [答案] Breakfast is the most important one of the day. Though you were not well prepared,you did a nice job. It's time for the meeting. Give us another example,will you? I can't decide which pair of shoes to choose. The child was scared speechless. Ann got an ...
