1) What is the sum? a) 6 b) 2 c) 8 2) 1 and 2 are the ......... a) sum b) addends 3) 28 and 18 are ..... a) sum b) add c) addends 4) 46 is the ..... a) sum b) add c) addends 5) What is the sum? a) 46 b) 36 c) 56

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?