甲乙两队共修一条水渠,甲修了576米,甲、乙修的比是4:5,这条水渠长多少米?要算数法,1:10之前
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 08:06:13
![甲乙两队共修一条水渠,甲修了576米,甲、乙修的比是4:5,这条水渠长多少米?要算数法,1:10之前](/uploads/image/z/7671702-30-2.jpg?t=%E7%94%B2%E4%B9%99%E4%B8%A4%E9%98%9F%E5%85%B1%E4%BF%AE%E4%B8%80%E6%9D%A1%E6%B0%B4%E6%B8%A0%2C%E7%94%B2%E4%BF%AE%E4%BA%86576%E7%B1%B3%2C%E7%94%B2%E3%80%81%E4%B9%99%E4%BF%AE%E7%9A%84%E6%AF%94%E6%98%AF4%3A5%2C%E8%BF%99%E6%9D%A1%E6%B0%B4%E6%B8%A0%E9%95%BF%E5%A4%9A%E5%B0%91%E7%B1%B3%3F%E8%A6%81%E7%AE%97%E6%95%B0%E6%B3%95%2C1%3A10%E4%B9%8B%E5%89%8D)
甲乙两队共修一条水渠,甲修了576米,甲、乙修的比是4:5,这条水渠长多少米?要算数法,1:10之前
甲乙两队共修一条水渠,甲修了576米,甲、乙修的比是4:5,这条水渠长多少米?要算数法,1:10之前
甲乙两队共修一条水渠,甲修了576米,甲、乙修的比是4:5,这条水渠长多少米?要算数法,1:10之前
这条水渠的长度:576÷4×(4+5)=1296米,
总长设为l;l=l(甲)+l(乙)
l(乙)=l(甲)*5/4
l(总)=576+830=1406米