1⼀3+2⼀7-1⼀4简便运算

1/3+2/7-1/4简便运算
2025-06-28 07:29:02
推荐回答(3个)
回答1:

red

回答2:

1/3+2/7-1/4
=28/84+24/84-21/84
=(28+24-21)/84
=31/84

回答3:

1/3+2/7-1/4=7/21+6/21-1/4=52/84-21/ 84=31/84=0.369047619