1/7*5/12+(5/12)/(7/5)=?要简算!

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/06 03:43:35
1/7*5/12+(5/12)/(7/5)=?要简算!
x)37274/5>_|tE"}"TPdX.",sP(d ABx@~qAb-ar<

1/7*5/12+(5/12)/(7/5)=?要简算!
1/7*5/12+(5/12)/(7/5)=?要简算!

1/7*5/12+(5/12)/(7/5)=?要简算!
1/7*5/12+(5/12)/(7/5)
=1/7*5/12+5/12*5/7
=(1/7+5/7)*5/12
=6/7*5/12
=5/14