填空:a9O(w)J/y3s
0除以一个非0的数仍得.f'g:N7o-p9B;任何两个相同的数3I1u4F3L:y1v'`4A相除,商是3x1m-S+x(b5P-t2|/S4C'x4h8t。:a9O(w)J/y3s