X.Y为有理数,且满足方程(1/2+π/3)X+(1/3+π/2)Y-4-π=0,求X-Y的值
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X.Y为有理数,且满足方程(1/2+π/3)X+(1/3+π/2)Y-4-π=0,求X-Y的值
X.Y为有理数,且满足方程(1/2+π/3)X+(1/3+π/2)Y-4-π=0,求X-Y的值
X.Y为有理数,且满足方程(1/2+π/3)X+(1/3+π/2)Y-4-π=0,求X-Y的值
(1/2+π/3)X+(1/3+π/2)Y-4-π =(x/3+y/2-1)π+(1/2)x+(1/3)y-4=0 推出x/3+y/2-1=0 和 (1/2)x+(1/3)y-4=0 联立方程求解得 x=12 y=-6