155*23/156+11/156*3 简算
155*23/156+11/156*3 简算
日期：2022-03-30 14:35:01 人气：1
155*23/156+11/156*3
=(156-1)*23/156+11/156*3
=156*23/156-23/156+11/156*3
=23+(33/156-23/156)
=23+10/156
=23又5/78
=(156-1)*23/156+11/156*3
=156*23/156-23/156+11/156*3
=23+(33/156-23/156)
=23+10/156
=23又5/78