一减十分之九减一百分之九减一千分之九减一万分之九简便
问题描述:
一减十分之九减一百分之九减一千分之九减一万分之九简便
答
1-9/10-9/100-9/1000-9/10000
=1-9×(0.1+0.01+0.001+0.0001)
=1-9×0.1111
=1-0.9999
=0.0001
答
1-9/10-9/100-9/1000-9/10000
=1-0.9-0.09-0.009-0.0009
=1-(0.9+0.09+0.009+0.0009)
=1-0.9999
=0.0001
答
一减十分之九减一百分之九减一千分之九减一万分之九
=1-0.9-0.09-0.009-0.0009
=1-(0.9+0.09+0.009+0.0009)
=1-0.9999
=0.0001