m, e, a, n, left parenthesis, 1, comma, 2, comma, 3, comma, 4, comma, 5, comma, 6, comma, 7, comma, 8, comma, 9, comma, 10, right parenthesis
mean(1,2,3,4,5,6,7,8,9,10)
求值
\frac{11}{2}=5.5
因式分解
\frac{11}{2} = 5\frac{1}{2} = 5.5
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已复制到剪贴板
1+2+3+4+5+6+7+8+9+10=55
要求集合 1,2,3,4,5,6,7,8,9,10 的中值,请先将数字相加。
\frac{55}{10}=\frac{11}{2}
求集合 1,2,3,4,5,6,7,8,9,10 的中值(平均值),请用各项的和除以项数,在本例中,中值为 10。