8⼀9×[3⼀4-(3⼀16+1⼀8)]怎么简便算?

2024-12-01 17:16:29
推荐回答(5个)
回答1:

8/9×[3/4-(3/16+1/8)]
=8/9×(3/4-5/16)
=8/9×(7/16)
=7/18

回答2:

=8/9×(12/16-3/16-2/16)=8/9×7/16=7/18

回答3:

8/9x[12/16-(3/16+2/16)]
=8/9x[12/16-5/16]
=8/9x7/16
=28/72
=7/13

回答4:

回答5: