十七分之八除以23加上23分之一乘以十七分之九加上23分之一

2025-03-20 04:43:27
推荐回答(2个)
回答1:

回答2:

=8/17÷23+1/23×9/17+1/23
=8/17×1/23+1/23×9/17+1/23
=(8/17+9/17+1)×1/23
=2×1/23
=2/23