(88×125+125×12×25×288(1+1/2)×(1-1/2)×1+1/3)×(1-1/3)×···×(1+1/99)×1-1/99)

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 21:49:28
(88×125+125×12×25×288(1+1/2)×(1-1/2)×1+1/3)×(1-1/3)×···×(1+1/99)×1-1/99)(88×125+125×12×25×288(1+1/2)

(88×125+125×12×25×288(1+1/2)×(1-1/2)×1+1/3)×(1-1/3)×···×(1+1/99)×1-1/99)
(88×125+125×12×25×288
(1+1/2)×(1-1/2)×1+1/3)×(1-1/3)×···×(1+1/99)×1-1/99)

(88×125+125×12×25×288(1+1/2)×(1-1/2)×1+1/3)×(1-1/3)×···×(1+1/99)×1-1/99)
1、
=(88+12)×125+25×(4×72)
=100×125+(25×4)×72
=12500+7200
=19700
2、
=3/2×1/2×4/3×2/3×···×100/99×98/99
=1/2×100/99
=50/99