11/5乘0.375+5/8除以5/11 (简便计算)

问题描述:

11/5乘0.375+5/8除以5/11 (简便计算)

=11/5×3/8 +11/5×5/8
=11/5×(3/8+5/8)
=11/5×1
=11/5