1-1/6-1/12-1/20怎么写?
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发布时间:2024-10-04 06:08
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热心网友
时间:2024-10-21 11:47
1-1/6-1/12-1/20
=1-(1/6+1/12)-1/20
=1-(2/12+1/12)-1/20
=1-3/12-1/20
=9/12-1/20
=45/60-3/60
=42/60
=7/10
那么,我们可以通过上面的计算得到答案是7/10
热心网友
时间:2024-10-21 11:46
看样子孩子应该在学习分数的加减,这种题除了通分,还可以这样做,属于简算
热心网友
时间:2024-10-21 11:49
=1-10/60-5/60-3/60
=1-18/60
=42/60
=7/10
热心网友
时间:2024-10-21 11:45
解:1-1/6-1/12-1/20
=5/6-1/12-1/20
=10/12-1/12-1/20
=9/12-1/20
=180/240-12/240
=168/240
=21/30
=7/10
热心网友
时间:2024-10-21 11:45
1-1/6-1/12-1/20
=1-(1/6+1/12)-1/20
=1-(2/12+1/12)-1/20
=1-3/12-1/20
=9/12-1/20
=45/60-3/60
=42/60
=7/10
那么,我们可以通过上面的计算得到答案是7/10
热心网友
时间:2024-10-21 11:47
解:1-1/6-1/12-1/20
=5/6-1/12-1/20
=10/12-1/12-1/20
=9/12-1/20
=180/240-12/240
=168/240
=21/30
=7/10
热心网友
时间:2024-10-21 11:45
=1-10/60-5/60-3/60
=1-18/60
=42/60
=7/10
热心网友
时间:2024-10-21 11:42
看样子孩子应该在学习分数的加减,这种题除了通分,还可以这样做,属于简算