关于送礼物的英语作文:谁能帮我解一道题?(六年级)
来源:百度文库 编辑:查人人中国名人网 时间:2024/05/07 11:26:00
[2/3-1/2÷(3/5+2/5)]×5/1
要过程
要过程
=(2/3-1/2÷1)×5/1
=(4/6-3/6)×5/1
=1/6×5/1
=5/6
=(2/3-1/2÷1)×5/1
=(2/3-1/2)×5/1
=1/6×5/1
=5/6
原式=(2/3-1/2÷1)×5/1
=(4/6-3/6)×5/1
=1/6×5/1
=5/6
[2/3-1/2÷(3/5+2/5)]×5/1
=(2/3-1/2÷1)×5/1
=(4/6-3/6)×5/1
=1/6×5/1
=5/6
2123
=(2/3-1/2÷1)×5/1
=(4/6-3/6)×5/1
=1/6×5/1
=5/6