6⼀7-(2⼀3-1⼀7)怎么用简便运算

6/7-(2/3-1/7)怎么用简便运算
2025-01-04 09:39:34
推荐回答(3个)
回答1:

6/7-(2/3-1/7)
=6/7+1/7-2/3
=1-2/3
=1/3

回答2:

6/7 - ( 2/3 - 1/7 )
= 6/7 - 2/3 + 1/7
= 6/7 + 1/7 - 2/3
= 1 - 2/3
= 1/3

回答3:

=6/7+1/7-2/3=1/3