1) Which one is even no.  a) 213 b) 2223 c) 36637 d) 242 2) Which one is perfect square a) 27 b) 64 c) 99 d) 132 3) Which is square root of 1225 a) 45 b) 35 c) 37 d) 55

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?