20以内数的进位加法主要应用“凑十”法,使计算简便。例如:“9+7=”这道题就可以利用“凑十”法来计算。把9分成6和3,因为3与7能凑成十,所以让3挨着7。先算3+7=10,再算6+10=16把7分成1和6,因为1与9能凑成十,所以让1挨着9。先算9+1=10,再算10+6=16小朋友,上面的方法一定要牢牢记住,它会令你的计算又快又准确。请你用上面介绍的方法来计算下面的题目。如果都做对了,就给自己画个笑脸吧! In addition to the number of 20 additions are mainly used “Minato ten ” method, so that the calculation is simple. For example: “9 +7 = ” This problem can be used “Minato ten ” method to calculate. Divide 9 into 6 and 3 because 3 and 7 make up 10, so let 3 be next to 7. Calculate 3 + 7 = 10, then calculate 6 + 10 = 16 Divide 7 into 1 and 6, because 1 and 9 can make up 10, so let 1 next to 9. First count 9 +1 = 10, and then count 10 +6 = 16 children, the above method must firmly remember, it will make your calculations fast and accurate. Please use the method described above to calculate the following questions. If you do all right, give yourself a smile!