86\frac{8}{6}68 x 5
43\frac{4}{3}34 x 3
log0,1=-1
p-2q=0
2p-9q=10
[2−132402−1147−506]\begin{bmatrix} 2 & -1 & 3 & 24 \\\\ 0 & 2 & -1 & 14 \\\\ 7 & -5 & 0 & 6 \end{bmatrix}207−12−53−1024146
12\frac{1}{2}21 - 13\frac{1}{3}31 - 16\frac{1}{6}61
625 - 576
399=2+397
56\frac{5}{6}65 - 34\frac{3}{4}43
∑c=0101.2c\sum_{c=0}^{10}{1.2^c}c=0∑101.2c