加法口诀

１＋１＝２ ２＋１＝３ ３＋１＝４ ４＋１＝５ ５＋１＝６ ６＋１＝７ ７＋１＝８ ８＋１＝９ ９＋１＝１０

１＋２＝３ ２＋２＝４ ３＋２＝５ ４＋２＝６ ５＋２＝７ ６＋２＝８ ７＋２＝９ ８＋２＝１０

１＋３＝４ ２＋３＝５ ３＋３＝６ ４＋３＝７ ５＋３＝８ ６＋３＝９ ７＋３＝１０

１＋４＝５ ２＋４＝６ ３＋４＝７ ４＋４＝８ ５＋４＝９ ６＋４＝１０

１＋５＝６ ２＋５＝７ ３＋５＝８ ４＋５＝９ ５＋５＝１０

１＋６＝７ ２＋６＝８ ３＋６＝９ ４＋６＝１０

１＋７＝８ ２＋７＝９ ３＋７＝１０

１＋８＝９ ２＋８＝１０

１＋９＝１０