计算:(1)|-3|+(-1)2013×(π-3)0-(-12)-3.(2)(9x3y2-6x2y+3xy2)÷(-3xy).
题型:解答题难度:一般来源:不详
计算: (1)|-3|+(-1)2013×(π-3)0-(-)-3. (2)(9x3y2-6x2y+3xy2)÷(-3xy). |
答案
(1)原式=3-1+8=10. (2)原式=-3x2y+2x-y. |
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