4又3分2+2又4分1+1又10分7=?

2007-03-27 4:05 am
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回答 (9)

2007-03-27 5:11 am
✔ 最佳答案
4又3分2+2又4分1+1又10分7
3 , 4 , 10 的 L C M 是 60
= 4 40/60 + 2 15/60 + 1 42/60
=8 37/60
答案是:8又60分37
參考: 自己計
2007-03-27 10:41 pm
4又3分2+2又4分1+1又10分7=8又60分37
2007-03-27 6:30 am
4又3分2+2又4分1+1又10分7
=4又60分40+2又60分15+1又60分42
=7又60分之97
=8又60分之37
2007-03-27 4:20 am
4 2/3 =4 40/60
2 1/4 = 2 15/60
1 7/10 = 1 42/60

4 40/60+2 15/60+1 42/60= 7 97/60
= 8 37/60
= 8又60分37
參考: ME
2007-03-27 4:15 am
(4+2+1)+(60分40+60分15+60分42)
=8又60分37
2007-03-27 4:15 am
4 2/3 + 2 1/4 + 1 7/10
=(4+2+1)+(40/60 + 15/60 + 42/60)
=7 97/60
=8 37/60



2)_3__4__10__
3 2 5

2*2*3*5
=60
參考: me
2007-03-27 4:14 am
4又3分2=14/3 = 280/60
2又4分1=9/4 = 135/60
1又10分7=17/10 = 102/60

280+135+102/60
=517/60
2007-03-27 4:11 am
Find their LCD first 3 x 2 x 2 x 5 = 60


4又3分2 = 4 2/3 =4 40/60
2又4分1 = 2 1/4 = 2 15/60
1又10分7 = 1 7/10 = 1 42/60

sum = 7 97/60
= 8 37/60
= 8又60分37
2007-03-27 4:08 am
8又60分之37


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