(数学)计算
来源:学生学帮网 编辑:学帮网 时间:2024/06/24 22:29:00
(数学)计算
2.4=24/10=12/5
原式=(3/5+(12/5)/(2/3))*5/7
=(3/5+(12/5)*(3/2))*5/7
=(3/5+36/10)*5/7
=(6/10+36/10)*5/7
=42/10*5/7
=6/2
=3
(数学)计算
2.4=24/10=12/5
原式=(3/5+(12/5)/(2/3))*5/7
=(3/5+(12/5)*(3/2))*5/7
=(3/5+36/10)*5/7
=(6/10+36/10)*5/7
=42/10*5/7
=6/2
=3