2又1/3x|2.5x7/6x8
看不懂中间那根竖线是什么意思
请追问一下
2.79+3/8+6.21+0.625
= 2.79+6.21+(3/8+5/8)
=9+1
=1012又1/3x12.5x7/6x8

=7/3x7/6x(12.5x8)
=49/18x100
=4900/18
=2450/9谢啦！别客气