怎么用5个8算出100？
- 提问者网友：泪姬迷茫
- 2021-04-22 05:20
- 二级知识专家网友：何以畏孤独
- 2021-04-22 06:49
无解.
附:5个8加减乘除所有情况.
注:以下算式无视一级二级运算先后顺序.均为从左到右计算.
8+8+8+8+8=40.00
8+8+8+8-8=24.00
8+8+8+8*8=256.00
8+8+8+8/8=4.00
8+8+8-8+8=24.00
8+8+8-8-8=8.00
8+8+8-8*8=128.00
8+8+8-8/8=2.00
8+8+8*8+8=200.00
8+8+8*8-8=184.00
8+8+8*8*8=1536.00
8+8+8*8/8=24.00
8+8+8/8+8=11.00
8+8+8/8-8=-5.00
8+8+8/8*8=24.00
8+8+8/8/8=0.37
8+8-8+8+8=24.00
8+8-8+8-8=8.00
8+8-8+8*8=128.00
8+8-8+8/8=2.00
8+8-8-8+8=8.00
8+8-8-8-8=-8.00
8+8-8-8*8=0.00
8+8-8-8/8=0.00
8+8-8*8+8=72.00
8+8-8*8-8=56.00
8+8-8*8*8=512.00
8+8-8*8/8=8.00
8+8-8/8+8=9.00
8+8-8/8-8=-7.00
8+8-8/8*8=8.00
8+8-8/8/8=0.12
8+8*8+8+8=144.00
8+8*8+8-8=128.00
8+8*8+8*8=1088.00
8+8*8+8/8=17.00
8+8*8-8+8=128.00
8+8*8-8-8=112.00
8+8*8-8*8=960.00
8+8*8-8/8=15.00
8+8*8*8+8=1032.00
8+8*8*8-8=1016.00
8+8*8*8*8=8192.00
8+8*8*8/8=128.00
8+8*8/8+8=24.00
8+8*8/8-8=8.00
8+8*8/8*8=128.00
8+8*8/8/8=2.00
8+8/8+8+8=18.00
8+8/8+8-8=2.00
8+8/8+8*8=80.00
8+8/8+8/8=1.25
8+8/8-8+8=2.00
8+8/8-8-8=-14.00
8+8/8-8*8=-48.00
8+8/8-8/8=-0.75
8+8/8*8+8=24.00
8+8/8*8-8=8.00
8+8/8*8*8=128.00
8+8/8*8/8=2.00
8+8/8/8+8=8.25
8+8/8/8-8=-7.75
8+8/8/8*8=2.00
8+8/8/8/8=0.03
8-8+8+8+8=24.00
8-8+8+8-8=8.00
8-8+8+8*8=128.00
8-8+8+8/8=2.00
8-8+8-8+8=8.00
8-8+8-8-8=-8.00
8-8+8-8*8=0.00
8-8+8-8/8=0.00
8-8+8*8+8=72.00
8-8+8*8-8=56.00
8-8+8*8*8=512.00
8-8+8*8/8=8.00
8-8+8/8+8=9.00
8-8+8/8-8=-7.00
8-8+8/8*8=8.00
8-8+8/8/8=0.12
8-8-8+8+8=8.00
8-8-8+8-8=-8.00
8-8-8+8*8=0.00
8-8-8+8/8=0.00
8-8-8-8+8=-8.00
8-8-8-8-8=-24.00
8-8-8-8*8=-128.00
8-8-8-8/8=-2.00
8-8-8*8+8=-56.00
8-8-8*8-8=-72.00
8-8-8*8*8=-512.00
8-8-8*8/8=-8.00
8-8-8/8+8=7.00
8-8-8/8-8=-9.00
8-8-8/8*8=-8.00
8-8-8/8/8=-0.12
8-8*8+8+8=16.00
8-8*8+8-8=0.00
8-8*8+8*8=64.00
8-8*8+8/8=1.00
8-8*8-8+8=0.00
8-8*8-8-8=-16.00
8-8*8-8*8=-64.00
8-8*8-8/8=-1.00
8-8*8*8+8=8.00
8-8*8*8-8=-8.00
8-8*8*8*8=0.00
8-8*8*8/8=0.00
8-8*8/8+8=8.00
8-8*8/8-8=-8.00
8-8*8/8*8=0.00
8-8*8/8/8=0.00
8-8/8+8+8=16.00
8-8/8+8-8=0.00
8-8/8+8*8=64.00
8-8/8+8/8=1.00
8-8/8-8+8=0.00
8-8/8-8-8=-16.00
8-8/8-8*8=-64.00
8-8/8-8/8=-1.00
8-8/8*8+8=8.00
8-8/8*8-8=-8.00
8-8/8*8*8=0.00
8-8/8*8/8=0.00
8-8/8/8+8=8.00
8-8/8/8-8=-8.00
8-8/8/8*8=0.00
8-8/8/8/8=0.00
8*8+8+8+8=88.00
8*8+8+8-8=72.00
8*8+8+8*8=640.00
8*8+8+8/8=10.00
8*8+8-8+8=72.00
8*8+8-8-8=56.00
8*8+8-8*8=512.00
8*8+8-8/8=8.00
8*8+8*8+8=584.00
8*8+8*8-8=568.00
8*8+8*8*8=4608.00
8*8+8*8/8=72.00
8*8+8/8+8=17.00
8*8+8/8-8=1.00
8*8+8/8*8=72.00
8*8+8/8/8=1.12
8*8-8+8+8=72.00
8*8-8+8-8=56.00
8*8-8+8*8=512.00
8*8-8+8/8=8.00
8*8-8-8+8=56.00
8*8-8-8-8=40.00
8*8-8-8*8=384.00
8*8-8-8/8=6.00
8*8-8*8+8=456.00
8*8-8*8-8=440.00
8*8-8*8*8=3584.00
8*8-8*8/8=56.00
8*8-8/8+8=15.00
8*8-8/8-8=-1.00
8*8-8/8*8=56.00
8*8-8/8/8=0.88
8*8*8+8+8=528.00
8*8*8+8-8=512.00
8*8*8+8*8=4160.00
8*8*8+8/8=65.00
8*8*8-8+8=512.00
8*8*8-8-8=496.00
8*8*8-8*8=4032.00
8*8*8-8/8=63.00
8*8*8*8+8=4104.00
8*8*8*8-8=4088.00
8*8*8*8*8=32768.00
8*8*8*8/8=512.00
8*8*8/8+8=72.00
8*8*8/8-8=56.00
8*8*8/8*8=512.00
8*8*8/8/8=8.00
8*8/8+8+8=24.00
8*8/8+8-8=8.00
8*8/8+8*8=128.00
8*8/8+8/8=2.00
8*8/8-8+8=8.00
8*8/8-8-8=-8.00
8*8/8-8*8=0.00
8*8/8-8/8=0.00
8*8/8*8+8=72.00
8*8/8*8-8=56.00
8*8/8*8*8=512.00
8*8/8*8/8=8.00
8*8/8/8+8=9.00
8*8/8/8-8=-7.00
8*8/8/8*8=8.00
8*8/8/8/8=0.12
8/8+8+8+8=25.00
8/8+8+8-8=9.00
8/8+8+8*8=136.00
8/8+8+8/8=2.12
8/8+8-8+8=9.00
8/8+8-8-8=-7.00
8/8+8-8*8=8.00
8/8+8-8/8=0.12
8/8+8*8+8=80.00
8/8+8*8-8=64.00
8/8+8*8*8=576.00
8/8+8*8/8=9.00
8/8+8/8+8=9.12
8/8+8/8-8=-6.88
8/8+8/8*8=9.00
8/8+8/8/8=0.14
8/8-8+8+8=9.00
8/8-8+8-8=-7.00
8/8-8+8*8=8.00
8/8-8+8/8=0.12
8/8-8-8+8=-7.00
8/8-8-8-8=-23.00
8/8-8-8*8=-120.00
8/8-8-8/8=-1.88
8/8-8*8+8=-48.00
8/8-8*8-8=-64.00
8/8-8*8*8=-448.00
8/8-8*8/8=-7.00
8/8-8/8+8=7.12
8/8-8/8-8=-8.88
8/8-8/8*8=-7.00
8/8-8/8/8=-0.11
8/8*8+8+8=24.00
8/8*8+8-8=8.00
8/8*8+8*8=128.00
8/8*8+8/8=2.00
8/8*8-8+8=8.00
8/8*8-8-8=-8.00
8/8*8-8*8=0.00
8/8*8-8/8=0.00
8/8*8*8+8=72.00
8/8*8*8-8=56.00
8/8*8*8*8=512.00
8/8*8*8/8=8.00
8/8*8/8+8=9.00
8/8*8/8-8=-7.00
8/8*8/8*8=8.00
8/8*8/8/8=0.12
8/8/8+8+8=16.12
8/8/8+8-8=0.12
8/8/8+8*8=65.00
8/8/8+8/8=1.02
8/8/8-8+8=0.12
8/8/8-8-8=-15.88
8/8/8-8*8=-63.00
8/8/8-8/8=-0.98
8/8/8*8+8=9.00
8/8/8*8-8=-7.00
8/8/8*8*8=8.00
8/8/8*8/8=0.12
8/8/8/8+8=8.02
8/8/8/8-8=-7.98
8/8/8/8*8=0.12
8/8/8/8/8=0.00