1.怎么简便怎么计算。 7⼀8-(1⼀6+3⼀8) 5-5⼀11-6⼀11 3⼀4-2⼀9+1⼀4

2024-11-09 16:51:53
推荐回答(3个)
回答1:

7/8-(1/6+3/8)
=7/8-1/6-3/8
=7/8-3/8-1/6
=1/2-1/6
=1/3
5-5/11-6/11
=5-(5/11+6/11)
=5-1
=4
3/4-2/9+1/4
=3/4+1/4-2/9
=1-2/9
=7/9
15又3/8-5又3/4+4.75
=15又3/8-5又3/4+4又3/4
=15又3/8-(5又3/4-4又3/4)
=15又3/8-1
=14又3/8
5/8+1/8-0.2
=3/4-0.2
=0.55
7/12-1/4+4/5
=1/3+4/5
=17/15
=1又2/15

回答2:

回答3:

母鸡啊!