作业帮[14.8+(3又2/7-1.5)*1又3/25]/4又1/5
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/25 06:33:11
![[14.8+(3又2/7-1.5)*1又3/25]/4又1/5](/uploads/image/z/6819464-56-4.jpg?t=%5B14.8%2B%283%E5%8F%882%2F7-1.5%29%2A1%E5%8F%883%2F25%5D%2F4%E5%8F%881%2F5)
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[14.8+(3又2/7-1.5)*1又3/25]/4又1/5
[14.8+(3又2/7-1.5)*1又3/25]/4又1/5
[14.8+(3又2/7-1.5)*1又3/25]/4又1/5
[14.8+(3又2/7-1.5)×1又3/25]/4又1/5
=[74/5+(23/7-3/2)×28/25]÷21/5
=[74/5+(46/14-21/14)×28/25]×5/21
=(74/5+25/14×28/25)×5/21
=(74/5+2)×5/21
=(74/5+10/5)×5/21
=84/5×5/21
=4