解方程组 3(x-0.1)+2(y+0.2)=4① 2(x-0.1)+3(y+0.2)②

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解方程组3(x-0.1)+2(y+0.2)=4①2(x-0.1)+3(y+0.2)②解方程组3(x-0.1)+2(y+0.2)=4①2(x-0.1)+3(y+0.2)②解方程组3(x-0.1)+2(y

解方程组 3(x-0.1)+2(y+0.2)=4① 2(x-0.1)+3(y+0.2)②
解方程组 3(x-0.1)+2(y+0.2)=4① 2(x-0.1)+3(y+0.2)②

解方程组 3(x-0.1)+2(y+0.2)=4① 2(x-0.1)+3(y+0.2)②
你妹的
2(x-0.1)+3(y+0.2)② 这什么情况?

将方程组化解,得:{3x+2y=3.9①2x+3y=1.6②}
①×3-②×2,得:5x=8.5 x=1.7
将x=1.7代入①,得:3×1.7+2y=3.9 5.1+2y=3.9 2y=-1.2 y=-0.6
所以,这个方程组的解为{x=1.7 y=-0.6}

2(x-0.1)+3(y+0.2)=-5t+6 (t为任意整数),是此不定方程的整数解.