小明邮票张数的3/4和小华的4/5相等,小明的邮票张数是小华的()(1+1/2+1/3+1/4)×(1/2+1/3+1/4+1/5)-(1+1/2+1/3+1/4+1/5)×(1/2+1/3+1/4)4x-1/6=8/3 解方程
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![小明邮票张数的3/4和小华的4/5相等,小明的邮票张数是小华的()(1+1/2+1/3+1/4)×(1/2+1/3+1/4+1/5)-(1+1/2+1/3+1/4+1/5)×(1/2+1/3+1/4)4x-1/6=8/3 解方程](/uploads/image/z/2656921-49-1.jpg?t=%E5%B0%8F%E6%98%8E%E9%82%AE%E7%A5%A8%E5%BC%A0%E6%95%B0%E7%9A%843%2F4%E5%92%8C%E5%B0%8F%E5%8D%8E%E7%9A%844%2F5%E7%9B%B8%E7%AD%89%2C%E5%B0%8F%E6%98%8E%E7%9A%84%E9%82%AE%E7%A5%A8%E5%BC%A0%E6%95%B0%E6%98%AF%E5%B0%8F%E5%8D%8E%E7%9A%84%28%29%EF%BC%881%2B1%2F2%2B1%2F3%2B1%2F4%EF%BC%89%C3%97%EF%BC%881%2F2%2B1%2F3%2B1%2F4%2B1%2F5%EF%BC%89-%EF%BC%881%2B1%2F2%2B1%2F3%2B1%2F4%2B1%2F5%EF%BC%89%C3%97%EF%BC%881%2F2%2B1%2F3%2B1%2F4%EF%BC%894x-1%2F6%3D8%2F3+%E8%A7%A3%E6%96%B9%E7%A8%8B)
小明邮票张数的3/4和小华的4/5相等,小明的邮票张数是小华的()(1+1/2+1/3+1/4)×(1/2+1/3+1/4+1/5)-(1+1/2+1/3+1/4+1/5)×(1/2+1/3+1/4)4x-1/6=8/3 解方程
小明邮票张数的3/4和小华的4/5相等,小明的邮票张数是小华的()
(1+1/2+1/3+1/4)×(1/2+1/3+1/4+1/5)-(1+1/2+1/3+1/4+1/5)×(1/2+1/3+1/4)
4x-1/6=8/3 解方程
小明邮票张数的3/4和小华的4/5相等,小明的邮票张数是小华的()(1+1/2+1/3+1/4)×(1/2+1/3+1/4+1/5)-(1+1/2+1/3+1/4+1/5)×(1/2+1/3+1/4)4x-1/6=8/3 解方程
小明邮票张数的3/4和小华的4/5相等,小明的邮票张数是小华的十六分之十五(15/16)
3/4=4/5
通分后就可看清楚
15/20=16/20
即15/16
(1+1/2+1/3+1/4)×(1/2+1/3+1/4+1/5)-(1+1/2+1/3+1/4+1/5)×(1/2+1/3+1/4)
=1×(1/2+1/3+1/4+1/5)+(1/2+1/3+1/4)×(1/2+1/3+1/4+1/5)-(1+1/2+1/3+1/4+1/5)×(1/2+1/3+1/4)
=(1/2+1/3+1/4+1/5)+(1/2+1/3+1/4)×[(1/2+1/3+1/4+1/5)-(1+1/2+1/3+1/4+1/5)]
=(1/2+1/3+1/4+1/5)+(1/2+1/3+1/4)×[-1]
=(1/2+1/3+1/4+1/5)-(1/2+1/3+1/4)
=1/5
4x-1/6=8/3
4x=1/6+8/3
4x=17/6
x=17/24