1⼀8-(3⼀8+1⼀4)简便运算谢谢了!

2024-10-31 16:26:55
推荐回答(3个)
回答1:

1/8-(3/8+1/4)
=1/8-(3/8+2/8)
=1/8-5/8
=-4/8
=-1/2
1/8-(3/8+1/4)
=1/8-3/8-2/8
=-4/8
=-1/2

回答2:

1/8-(3/8+1/4)
=1/8-3/8+1/4
=2/8-2/8
=0

回答3:

1/8-(3/8+1/4)
=-1/8-3/8-1/4
=-1/4-1/4
=-1/2