问题
解答题
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答案
6x-2x=4x, | 3.5x-1.3x=2.2x, | 36a-lOa=26a, | 6y-2.5y=3.5y, |
x×x=x2, | 9x-3.5x-4.5x=x, | 9m-3m+2m=8m, | 16x2-8x2=8x2. |
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6x-2x=4x, | 3.5x-1.3x=2.2x, | 36a-lOa=26a, | 6y-2.5y=3.5y, |
x×x=x2, | 9x-3.5x-4.5x=x, | 9m-3m+2m=8m, | 16x2-8x2=8x2. |