智力题,一题多变.1.若/m/+/n/=0,则m、n各等于多少?2.若/m-1/+/n-2/=0,则m+n等于多少?3.已知/a-3/+/2b-4/+/1\2c-2/=0,求a+b+c的值.
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![智力题,一题多变.1.若/m/+/n/=0,则m、n各等于多少?2.若/m-1/+/n-2/=0,则m+n等于多少?3.已知/a-3/+/2b-4/+/1\2c-2/=0,求a+b+c的值.](/uploads/image/z/2784749-5-9.jpg?t=%E6%99%BA%E5%8A%9B%E9%A2%98%2C%E4%B8%80%E9%A2%98%E5%A4%9A%E5%8F%98.1.%E8%8B%A5%2Fm%2F%2B%2Fn%2F%3D0%2C%E5%88%99m%E3%80%81n%E5%90%84%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%3F2.%E8%8B%A5%2Fm-1%2F%2B%2Fn-2%2F%3D0%2C%E5%88%99m%2Bn%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%3F3.%E5%B7%B2%E7%9F%A5%2Fa-3%2F%2B%2F2b-4%2F%2B%2F1%5C2c-2%2F%3D0%2C%E6%B1%82a%2Bb%2Bc%E7%9A%84%E5%80%BC.)
智力题,一题多变.1.若/m/+/n/=0,则m、n各等于多少?2.若/m-1/+/n-2/=0,则m+n等于多少?3.已知/a-3/+/2b-4/+/1\2c-2/=0,求a+b+c的值.
智力题,一题多变.
1.若/m/+/n/=0,则m、n各等于多少?
2.若/m-1/+/n-2/=0,则m+n等于多少?
3.已知/a-3/+/2b-4/+/1\2c-2/=0,求a+b+c的值.
智力题,一题多变.1.若/m/+/n/=0,则m、n各等于多少?2.若/m-1/+/n-2/=0,则m+n等于多少?3.已知/a-3/+/2b-4/+/1\2c-2/=0,求a+b+c的值.
1:m=n=0;
2:m=1,n=2;则:m+n=3;
3:a=3,b=2,c=4,则a+b+c=9;