1: 4/5 1/8
2: 1/2+3/8
=4/8+3/8
=7/8
5/6+3/10
=25/30+9/30
=17/15
5/9+2/3
=5/9+6/9
=11/9
1/4+6/7
=7/28+24/28
=31/28
1/2--3/8
=4/8--3/8
=1/8
5/6--3/10
=25/30--9/30
=8/15
2/3--4/9
=6/9--4/9
=2/9
4/5--5/8
=32/40--25/40
=7/40
3: 1/3+1/5
=5/15+3/15
4: ① 4/5+5/4
=14/20+25/20
=41/20
② 5/4--4/5
=25/20-16/20
=9/20
③ 1-4/5=1/5
提交 重置
違法和不良信息舉報(bào)電話:027-86699610 舉報(bào)郵箱:58377363@163.com
湖北省互聯(lián)網(wǎng)違法和不良信息舉報(bào)平臺(tái) | 網(wǎng)上有害信息舉報(bào)專區(qū) | 電信詐騙舉報(bào)專區(qū) | 涉歷史虛無(wú)主義有害信息舉報(bào)專區(qū) | 涉企侵權(quán)舉報(bào)專區(qū)
© 2012-2018 edso212.com - ( 滬ICP備07509807號(hào)-14 ) 鄂公網(wǎng)安備42018502000814號(hào)