十七分之八除以23加23分之一乘以十七分之九等于几分之几
问题描述：
十七分之八除以23加23分之一乘以十七分之九等于几分之几
答
8/17÷23+1/23×9/17
=8/17×1/23+1/23×9/17
=(8/17+9/17)×1/23
=1×1/23
=1/23
答
十七分之八除以23加23分之一乘以十七分之九
=8/17×1/23+1/23×9/17
=（8/17+9/17）×1/23
=1×1/23
=1/23