
1/7:1/5=14:x怎么解?
2个回答
展开全部
解:解方程, 此方程的解为x = 98/5,【即x = 19.6】
1/7 : 1/5 = 14 : x
1/7 ÷ 1/5 = 14 ÷ x
1/7 × 5 = 14 ÷ x
5/7 = 14 ÷ x
x = 14 ÷ 5/7
x = 14 × 7/5
x = 98/5
∴x = 19.6
答:此方程的解为x = 98/5,【即x = 19.6】
1/7 : 1/5 = 14 : x
1/7 ÷ 1/5 = 14 ÷ x
1/7 × 5 = 14 ÷ x
5/7 = 14 ÷ x
x = 14 ÷ 5/7
x = 14 × 7/5
x = 98/5
∴x = 19.6
答:此方程的解为x = 98/5,【即x = 19.6】
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询