脱式计算,能简算的要简算。 6⼀7+1⼀6-(3⼀8-1⼀7)

2024-11-22 10:05:42
推荐回答(4个)
回答(1):

6/7+1/6-(3/8-1/7)
=6/7+1/6-3/8+1/7
=(6/7+1/7)-(3/8-1/6)
=1-(9/24-4/24)
=1-5/24
=19/24

回答(2):

原式
=6/7+1/6-3/8+1/7
=6/7+1/7+1/6-3/8
=1+4/24-9/24
=28/24-9/24
=19/24

回答(3):

6/7+1/6-(3/8-1/7)
= 6/7+1/7+1/6-3/8
=1+4/24-9/24
=28/24-9/24
=19/24

回答(4):