求X1+X2+X3+X4=15的非负整数解的组数?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 17:21:13
![求X1+X2+X3+X4=15的非负整数解的组数?](/uploads/image/z/700695-63-5.jpg?t=%E6%B1%82X1%2BX2%2BX3%2BX4%3D15%E7%9A%84%E9%9D%9E%E8%B4%9F%E6%95%B4%E6%95%B0%E8%A7%A3%E7%9A%84%E7%BB%84%E6%95%B0%3F)
xTmRA+dXb@ )+ %Q@%⳰tٕxkz~yaJU}^^"b3gvkx8T'7"#Isy!LYQnvZO* ((1g^y%?|fLTO*TFv嗤E\1ZI}iGNۆ ! :
hLm:
"/R݃ԭ2=^ɛT}
vLF8atS!y^n`0j4>=j"43fT~nH
y9;fhqNUgd>33u `OЅ|tA
j_+y۟
歈NwImDlT*Q-MPZ-:8~Q j@"ٜ4:5?Z{âRH]