3/7+5/12+1/3的简便计算
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解决时间 2021-01-15 10:32
- 提问者网友:川水往事
- 2021-01-15 02:31
3/7+5/12+1/3的简便计算
最佳答案
- 五星知识达人网友:走死在岁月里
- 2021-01-15 03:41
解:3/7+5/12+1/3
=3/7+(5/12+4/12)
=3/7+9/12
=3/7+3/4
=12/28+21/28
=33/28
或1又5/28
=3/7+(5/12+4/12)
=3/7+9/12
=3/7+3/4
=12/28+21/28
=33/28
或1又5/28
全部回答
- 1楼网友:神鬼未生
- 2021-01-15 06:21
没有简便方法找到分母的最小公倍数
- 2楼网友:雪起风沙痕
- 2021-01-15 05:16
3/7+5/12+1/3
=3/7+5/12+4/12
=3/7+9/12
=3/7+3/4
=12/28+21/28
=33/28
=3/7+5/12+4/12
=3/7+9/12
=3/7+3/4
=12/28+21/28
=33/28
- 3楼网友:青尢
- 2021-01-15 04:58
3/7+5/12+1/3
=36/84+35/84+28/84
=(36+35+28)/84
=99/84=33/28
=36/84+35/84+28/84
=(36+35+28)/84
=99/84=33/28
- 4楼网友:神也偏爱
- 2021-01-15 03:59
3/7+5/12+1/3=3/7+5/12+4/12=3/7+9/12=3/7+3/4=33/28
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