作业帮1/4x[4.85/5/18-3.6+6.15x3又3/5]+[1.75x(1又2/3+19/21)+5.5]
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/09 18:45:00
![1/4x[4.85/5/18-3.6+6.15x3又3/5]+[1.75x(1又2/3+19/21)+5.5]](/uploads/image/z/378019-19-9.jpg?t=1%2F4x%5B4.85%2F5%2F18-3.6%2B6.15x3%E5%8F%883%2F5%5D%2B%5B1.75x%281%E5%8F%882%2F3%2B19%2F21%29%2B5.5%5D)
1/4x[4.85/5/18-3.6+6.15x3又3/5]+[1.75x(1又2/3+19/21)+5.5]
1/4x[4.85/5/18-3.6+6.15x3又3/5]+[1.75x(1又2/3+19/21)+5.5]
1/4x[4.85/5/18-3.6+6.15x3又3/5]+[1.75x(1又2/3+19/21)+5.5]
1/4x[4.85/5/18-3.6+6.15x3又3/5]+[1.75x(1又2/3+19/21)+5.5]
=1/4x[4.85×3.6-3.6+6.15x3.6]+[1.75x18/7+5.5]
=1/4x[（4.85-1+6.15）×3.6]+[4.5+5.5]
=1/4×10×3.6+10
=9+10
=19
你写的什么莫名其妙的东西哦
1/4x[4.85/5/18-3.6+6.15x3又3/5]+[1.75x(1又2/3+19/21)+5.5]
＝1/4x(4.85x3.6-3.6+6.15x3.6)+(7/4x5/3+7/4x19/21+5.5)
=1/4x3.6x(4.85-1+6.15)+(35/12+19/12+5.5)
=0.9x10+(54/12+5.5)
=9+(9/2+5.5)
=9+(4.5+5.5)
=19
*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X ||
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