①1+1\2+1\6+1\12=1\20+1\30+1\42+1\56+1\72= ②1-1\2-1\4-1\8-1\16-1\32-1\64-1\128=
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 18:40:58
![①1+1\2+1\6+1\12=1\20+1\30+1\42+1\56+1\72= ②1-1\2-1\4-1\8-1\16-1\32-1\64-1\128=](/uploads/image/z/2526685-61-5.jpg?t=%E2%91%A01%2B1%5C2%2B1%5C6%2B1%5C12%3D1%5C20%2B1%5C30%2B1%5C42%2B1%5C56%2B1%5C72%3D+%E2%91%A11-1%5C2-1%5C4-1%5C8-1%5C16-1%5C32-1%5C64-1%5C128%3D)
x){4qa-c d)HVą@i 6b 64 3MR>-/{5\@F 1z ]m
①1+1\2+1\6+1\12=1\20+1\30+1\42+1\56+1\72= ②1-1\2-1\4-1\8-1\16-1\32-1\64-1\128=
①1+1\2+1\6+1\12=1\20+1\30+1\42+1\56+1\72= ②1-1\2-1\4-1\8-1\16-1\32-1\64-1\128=
①1+1\2+1\6+1\12=1\20+1\30+1\42+1\56+1\72= ②1-1\2-1\4-1\8-1\16-1\32-1\64-1\128=
1+1\2+1\6+1\12=1\20+1\30+1\42+1\56+1\72=17/9
1-1\2-1\4-1\8-1\16-1\32-1\64-1\128=1/128