(最新整理)10以内加减法100道练习题【A4直接打印】

1、(完整)10以内加减法100道练习题【a4直接打印】(完整)10以内加减法100道练习题【a4直接打印】 编辑整理：尊敬的读者朋友们：这里是精品文档编辑中心，本文档内容是由我和我的同事精心编辑整理后发布的，发布之前我们对文中内容进行仔细校对，但是难免会有疏漏的地方，但是任然希望（(完整)10以内加减法100道练习题【a4直接打印】）的内容能够给您的工作和学习带来便利。同时也真诚的希望收到您的建议和反馈，这将是我们进步的源泉，前进的动力。本文可编辑可修改，如果觉得对您有帮助请收藏以便随时查阅，最后祝您生活愉快 业绩进步，以下为(完整)10以内加减法100道练习题【a4直接打印】的全部内容。精心整

2、理10以内加减法训练（1）日期: 计时： 正确题数: 4+1=44=51=2-0=2+1=2-1=4+0=1+1=5-3=22=2+0=3+2=41=52=3+0=42=55=5-2=4-2=4-1=3+1=1+3=10=1+2=31=5-3=2+2=54=43=2+1=4-1=3-2=3-1=4-3=22=33=1+0=2+1=5-4=0+0=3-0=11=2-2=1+4=51=44=50=3+0=2+3=1+1=2+0=3+2=4-1=5-2=4-1=4-1=3-2=3-1=4-3=5-2=33=1+0=2+2=54=10=3-0=51=3-2=1+4=5-4=4-0=50=3+0=2+3

3、=3-1=2+0=3+2=41=52=2+3=41=32=31=4-3=5-1=5+0=3+1=42=5-3=31=4+1=4-4=51=2-0=0+4=2-1=4+0=1+1=5-3=41=10以内加减法训练（2）日期： 计时: 正确题数: 2-0=5-2=4+1=5-4=5-5=5-3=4-3=2-2=31=1+3=5-2=54=5+0=2+1=2+2=4-2=1+4=4-1=22=3-2=1+2=2+3=21=3+0=1+0=43=5-2=2+1=41=11=4-3=43=2-2=3-1=50=5-4=53=0+0=2+2=3+2=1+4=20=5-1=3-2=32=2+3=53=1+1

4、=5-5=3+1=4-4=2+2=4-1=3-2=44=4+0=32=5-3=2+2=4+0=3+2=3+0=1-0=22=41=55=41=5-4=32=53=1+3=31=3-0=3+0=10=2+2=4-2=2+3=41=5-5=3-2=51=51=31=1+3=1+0=1+1=33=42=2+2=11=2+2=0+4=51=3-3=5-5=52=4-1=1+1=1+4=10以内加减法训练(3）日期： 计时: 正确题数： 26?？ ?？97？? ?32？?？?？34?？? ?54 35？? ?？71?？?？93=? ？?83=?？ 54= 82？? ？08? ？31?？ ？61？?？73

5、 102？ ？?72？? ? 64?？? ?92?？ 109 55？?？ ? 52? ?94？?？ ？81？? ?？21 46=？ ？?27？? ？95?？ ？?33?？?？ ?42 104? ？12?？? ？53?？ ?08?？ ?107 24？? ？65？ ？44？?？? 51？?？? ？19 84 ? ?？60?？? ？33？?？? ？15？?？?？105 11？?？ 81？? ？41？?？ ?93?？ ？3626？ ？?97?？ ？32?？ ？34? ？5435?？ ?71?？? ？93?？?？83？? ？?54 82？ ?08？?？ 31？?？?？?61?？? 73 102？? ？7

6、2? ？64?？ ?92?？ ？? 109 55？?？ ？52?？ ?94？?？ ?81?？? 21 46？?？?？ 27?？? 95?？? ？?33？?？ 42 104？ 12？?？ 53?？ 08？ ？? 10724？?？ ？65？?？ 44?？?？51?？?？19 84?？ ?60？?？ 33？?？ ？15?？?105 102? ？?72?？? 64？? ? 92？ 10910以内加减法训练（4）日期: 计时： 正确题数： 92?？? ?08?？?？34?？64?？?？ 73 35？ ？?72?？ 93=？?？ 82=？?？50=83？ ?？74？? ?64？? 92?？?？10955?

7、？ ？?55？? ？95? 81?？? 41 46=?？ ?？27? ？95?？?33?？?？42 104 ? ? 62？ ？63？?？ ?08? ？ 10724?？? ? 65？? ？?46？?？54?？?？1984 ？? ?40?？?？33?？?？16?？?？ 10511？?？? 81?？ 61?？96？?？? ? 3626?？ ?？94？? 32？?？64？?？ ？? 5435？?？ 71?？?93?？ 83?？?？?？?5483？? ?？04?？?33? 61？?？ 73102? ？?72？? ？?63？?？93?？ ?？10955？?？? 52？?？94?？?？ 81？? 2145？

8、?？ 24？?？?95?？ 53？ 42104= ？? 12=？?53=？? ？08=？?？ 107=54？?？ ？64？? ？44?？ 54?？?？?？ 1984？? ?60？?？?33？?？ 45？?？?？ 10453？? ?81？?？ ?41? 93？?？? 3636?？ ？ 94？?？32? 34?？?？?？5410以内加减法训练（5）日期： 计时： 正确题数： 5 - 1 =0 + 7 =8 + 2 =2 + 4 =0 + 6 =0 + 2 =0 + 1 =7 - 6 =0 + 2 =4 + 5 =6 + 8 =7 6 =2 + 6 =0 + 3 =9 8 =9 - 5 =0 + 1

9、 =1 + 9 =5 2 =7 5 =7 - 2 =9 1 =8 + 1 =7 - 3 =2 + 7 =6 + 1 =4 + 5 =0 + 9 =2 + 6 =2 + 7 =9 - 1 =0 + 5 =6 + 4 =8 + 2 =3 + 7 =6 + 3 =9 2 =7 7 =4 + 7 =2 - 1 =4 + 6 =6 + 3 =0 + 7 =3 3 =0 + 8 =7 5 =2 + 7=9 3 =2 + 7 =9 9 =2 + 9 =8 - 1 =5 - 3 =4 + 7 =9 - 1 =3 - 1 =4 + 1 =8 + 2 =9 5 =7 - 7 =7 - 3 =5 - 3 =7 -

10、4 =8 + 4 =8 - 5 =2 + 3 =7 - 3 =9 5 =9 1 =7 5 =2 + 3 =0 + 9 =10 7 =4 + 4 =4 + 3 =8 - 7 =7 - 1 =8 - 3 =6 + 4 =3 1 =0 + 6 =9 8 =8 5 =0 + 5 =9 3 =4 + 5 =3 + 5 =5 - 2 =10 6 =3 + 5 =2 1 =4 + 4 =7 3 =8 + 7 =0 + 8 =0 + 4 =6 + 0 =9 7 =6 - 1 =3 - 2 =10以内加减法训练（6)日期： 计时： 正确题数： 6 + 4 =6 + 1 =4 + 2 =5 - 5 =1 + 9

11、=2 + 7 =5 - 1 =9 - 9 =10- 9 =4 - 1 =7 - 4 =6 - 5 =7 + 3 =0 + 3 =6 + 4 =4 1 =8 - 3 =9 - 2 =6 - 3 =7 - 1 =5 4 =0 + 4 =2 + 8 =9 - 6 =7 - 1 =7 - 6 =8 7 =9 - 1 =2 + 2 =2 + 6 =10 8 =1 1 =4 + 6 =6 + 3 =4 + 3 =9 - 2 =0 + 2 =7 - 3 =7 - 4 =3 2 =9 - 3 =9 - 9 =6 + 3 =3 1 =2 + 7 =8 + 1 =2 + 4 =0 + 6 =8 + 0 =5 1

12、=7 6 =0 + 2 =4 + 5 =9 - 7 =6 + 1 =2 + 6 =0 + 3 =9 8 =0 + 6 =2 + 1 =4 + 0 =5 - 2 =7 5 =8 + 1 =5 - 1 =8 + 1 =7 3 =2 + 7 =0 + 3 =4 + 2 =0 + 9 =2 + 6 =2 + 7 =2 + 4 =4 3 =6 + 4 =8 + 2 =8 + 1 =8 - 1 =2 + 5 =7 7 =4 + 6 =2 1 =7 - 1 =6 - 5 =0 + 7 =3 - 3 =0 + 8 =8 + 2 =4 - 3 =9 - 3 =2 + 7 =9 9 =0 + 7 =7 5 =5

13、3 =4 + 5 =9 1 =3 - 3 =5 + 5 =10以内加减法训练（7）日期： 计时： 正确题数： 8 + 2 =10 5 =7 - 7 =2 + 2 =2 1 =7 - 4 =5 + 4 =8 - 5 =9 - 5 =6 - 5 =9 5 =9 1 =7 5 =6 + 2 =4 + 6 =9 7 =4 + 4 =4 + 8 =5 + 1 =4 + 3 =8 - 3 =6 + 4 =3 1 =3 - 1 =6 + 3 =8 5 =0 + 5 =9 - 3 =0 + 9 =9 - 3 =5 2 =9 6 =6 + 5 =8 + 2 =9 - 7 =7 3 =8 + 7 =0 + 8 =

14、5 4 =4 + 4 =9 7 =6 - 1 =3 2 =1 - 1 =7 2 =4 + 2 =5 5 =6 +0 =5 - 2 =8 + 1 =9 9 =5 5 =4 1 =7 - 5 =5 3 =7 + 3 =0 + 3 =1 + 9 =4 + 5 =4 + 5 =9 2 =6 - 3 =7 1 =9 - 4 =10 - 1 =2 + 8 =9 6 =7 - 1 =2 + 8 =2 + 1 =9 1 =2 + 2 =8 + 1 =4 + 6=0 + 6 =4 + 5 =6 + 3 =4 + 3 =0 + 4 =9 - 5 =7 3 =7 4 =3 2 =7 + 2 =5 - 5 =5 +

15、3 =3 - 1 =8 + 2 =4 + 6 =5 1 =0 + 6 =8 + 2 =5 - 1 =5 3 =0 + 2 =4 + 5 =9 7 =6 + 1 =9 - 5 =6 +3 =10以内加减法训练（8）日期： 计时： 正确题数： 2 1 =7 1 =6 - 5 =1 - 1 =4 + 6 =0 + 8 =8 + 2 =4 - 3 =7 7 =7 - 5 =9 - 9 =0 + 7 =7 5 =0 + 8 =2 + 9 =9 - 6 =10- 3 =6 + 5 =8 5 =3 1 =7 7 =2 + 2 =2 1 =6 + 1 =7 3 =8 - 5 =9 - 5 =6 5 =6 +

16、5 =2 + 3 =7 - 5 =6 + 2 =4 + 6 =9 4 =2 + 3 =4 + 5 =0 + 8 =4 + 3 =5 1 =8 7 =3 - 1 =3 - 1 =6 + 6 =8 + 2 =0 + 6 =9 3 =1 + 9 =9 3 =6 + 1 =4 + 3 =5 + 5 =3 + 5 =9 7 =8 + 1 =2 - 1 =0 + 8 =5 - 4 =4 + 4 =0 + 1 =0 + 4 =3 2 =1 1 =7 2 =6 + 3 =6 + 4 =6 + 3 =5 - 2 =8 + 1 =6 + 2 =6 + 3 =4 - 1 =7 5 =5 - 3 =9 - 3 =7

17、- 4 =6 + 2 =4 + 5 =4 + 5 =9 - 7 =4 - 1 =4 + 6 =9 - 3 =2 + 7 =2 + 7 =2 + 2 =5 - 3 =7 3 =4 + 5 =7 - 7 =3 2 =9 - 6 =4 + 2 =0 + 5 =6 + 2 =10- 2 =9 - 8 =5 - 1 =5 - 2 =4 +1 =8 5 =10以内加减法训练（9）日期： 计时： 正确题数: 4 + 1 =8 + 1 =6 + 2 =4 + 5 =7 1 =3 3 =0 + 6 =9 5 =0 + 2 =2 + 6 =2 + 4 =3 2 =8 + 2 =9 5 =5 - 4 =6 1 =8

18、 5 =0 + 5 =6 1 =0 + 9 =0 + 7 =2 + 8 =4 + 5 =7 3 =9 - 4 =2 + 5 =0 + 4 =2 + 5 =8 + 3 =8 + 2 =4 + 5 =4 + 3 =7 - 4 =8 + 1 =8 +1 =4 - 3 =0 + 3 =6 + 2 =7 - 3 =2 1 =2 + 3 =6 +2 =8 + 2 =6 + 4 =8 - 3 =0 + 9 =6 + 3 =6 - 5 =6 + 3 =4 - 1 =0 + 5 =0 + 4 =4 + 2 =8 +0 =7 3 =6 + 2 =9 - 8 =9 - 3 =5 - 1 =3 3 =2 +5 =9

19、- 2 =4 + 1 =6 - 5 =6 3 =2 - 1 =2 + 2 =6 + 0 =9 - 7 =9 3 =0 + 6 =3 1 =8 1 =0 + 2 =5 - 1 =4 + 4 =9 - 9 =0 + 8 =4 - 3 =2 + 8 =2 + 2 =9 3 =6 + 3 =7 - 1 =5 5 =4 + 5 =9 6 =7 1 =0 + 6 =4 + 1 =4 + 2 =5 - 3 =4 + 6 =6 + 3 =0 + 1 =6 + 3 =7 - 5 =6 + 1 =2 + 3 =5 - 3 =10以内加减法训练(10）日期： 计时: 正确题数： 0 + 8 =0 + 7 =8 3

20、=8 1 =2 + 4 =7 1 =3 + 7 =3 - 2 =4 + 3=3 1 =2 + 6 =0 + 1 =0 + 1 =5 4 =9 - 4 =9 - 3 =2 + 7 =2 + 7 =2 + 2 =1 - 1 =7 - 3 =2 + 5 =7 7 =3 - 2 =4 - 3 =4 + 2 =0 + 5 =6 + 2 =9 - 2 =5 - 5 =5 - 1 =5 - 2 =4 + 5 =8 - 5 =6 1 =5 5 =10 - 3 =8 +0 =4 + 3 =0 + 2 =8 + 1 =6 + 2 =4 + 3 =7 - 1 =9 - 1 =0 + 6 =9 5 =0 + 2 =2

21、 + 6 =5 - 3 =3 - 2 =8 + 2 =9 5 =5 - 4 =4 + 2 =8 - 5 =0 + 5 =6 1 =0 + 9 =3 1 =2 + 8 =4 +3 =10 3 =9 4 =2 + 4 =0 + 4 =6 + 3 =6 + 3 =8 + 1 =6 + 1 =4 + 3 =7 - 4 =8 + 1 =8 + 2 =7 - 1 =0 + 3 =2 + 8 =7 3 =2 - 1 =6 + 4 =6 + 3 =0 + 9 =6 + 4 =8 3 =3 - 3 =7 + 3 =10 5 =6 +1 =4 1 =6 + 3 =5 - 1 =4 3 =9 3 =2 + 7 =0

22、 + 4 =6 + 1 =9 - 5 =5 3 =4 + 7 =5 + 4 =10以内加减法训练（11)日期： 计时: 正确题数： 107=103=9+1=51=52=7+1=7-5=8-2=106=10-6= 2+8=5+3=3+6=7-4=4-1= 71=6+2=9+1=5-3=1+5= 101=92=1+2=6+2=73= 5+5= 6+1=1+9= 7-2= 2+3= 101= 53=3+1= 3+7=43= 96= 2+4= 5+1= 2+2= 1+9= 74= 1+4= 5+2= 9-5=82=6+3= 52= 43= 1+1= 63= 93= 8-1= 8+2= 4+2= 106

23、= 52= 1+4= 64= 2+8= 2+5= 81= 94= 7+1= 7-5=3+3=10-3= 7+2= 98= 2+1= 5+3= 6+3= 1+8= 2+4= 109= 5+2= 83= 3+1= 1+4= 61= 106=9+1= 2+6=4+1= 3+4= 2+2= 2+2= 2+7=1+2= 4+3= 6-2=3+7= 3+5=8-4= 86= 4+5= 4-1= 5-4=6-1= 9-2= 1+1= 10以内加减法训练（12)日期： 计时： 正确题数： 4+3= 3+5= 3+7= 76= 1+1= 8+2= 5+5=7-2=8-4= 3+6= 93=3+2=63= 7-6

24、= 2+8=4+6= 3+5= 1+5= 8-4=3+4= 4+5= 5-1= 2+2= 2+3= 84= 1+9= 1+9=87= 1+3= 1+6= 82=101=10-5= 2+2= 1+2=43= 5-3=8+2= 5+3=4+5= 64=2+8= 105=43= 91=1+8= 6-3= 7+1= 1+4=7-2= 4+1= 31= 9+1=2+6= 3+5=4+1= 3+4= 9-8=95= 51= 5+3= 52=106= 10-6=4-1= 10-6= 1+5= 43= 82= 2+2=5+3= 1+9= 6-3= 73=5+2= 2+5= 3+3= 2+2=2+7= 1+2=

25、 4+3= 3+7=3+5= 84= 86= 41=54= 61= 92= 4+3=62= 4+5= 3+5= 3+7=1+1= 76= 2+3= 1+1=8+2= 5+5= 10以内加减法训练(13）日期： 计时： 正确题数： 7-2= 84=3+6= 93= 3+2= 63=7-6= 2+8= 4+6= 3+5=1+5= 84=3+4= 51=5+4= 84=1+7= 5+2=81= 7+2=54= 4+1=5-3= 52= 5+5= 6+1=10-2= 41= 4+6= 10-3= 3+6= 74= 10-2= 7+2=10-3= 6-3= 7-6= 3+1=3+5= 94= 41= 1

26、+2=1+8= 1+3= 8+2= 9+1=2+8= 3+1= 74= 10-8= 1+1= 2+3= 3+2= 10-2= 2+2= 5+3= 3+6= 2+3=105= 1+9= 4+2= 8-4=1+8= 106=5+3= 6-4=2+3= 4-2= 8-5= 3-1=2+4= 9+1= 97= 1+1=5+3= 3+7= 4+6= 6-5=3+1= 1+6= 9-2= 1+8=3-2= 95= 2+5= 43=91= 4+4= 1+4= 4+4=5-4= 1+3= 64= 4+2=43= 8-6= 94= 72= 5+5= 10-6=10以内加减法训练（14）日期： 计时： 正确题数：

27、 64= 2-1= 7+3= 1+6= 2+3= 5+3= 1+6= 54= 2+7= 6+3= 6-2= 3+2=108= 1+5= 2+5= 3+4= 95= 75= 95= 5-3= 8-2= 7-3= 1+6= 8-6= 7-6= 10-6= 10-8= 109=5+1= 10-2= 5+3= 3+2= 32= 6+4=10-2= 3+2= 5+4= 86=7-1= 5+4= 87= 7+1=61= 10-5=6-5= 9-8=5-3= 2+8= 75= 62=5+1= 4-3= 5+3= 2+4=3-2= 95= 8-5= 4+5=5-1= 2+2= 2+3= 84=1+9= 1+9

28、= 87= 1+3=1+6= 8-2=101= 107= 10-3= 9+1= 51= 7+1=75= 8-2=10-6= 2+8=5+3= 3+6= 7-4= 71=6+2= 9+1= 5-3= 10-1= 92= 1+2=6+2= 5+5=6+1= 1+9= 72= 101= 53= 3+1= 3+7= 5-2=10-6= 106=10以内加减法训练（15）日期： 计时: 正确题数: 41= 10-6= 1+5= 43= 8-2= 2+2=5+3= 1+9= 63= 73=5+2= 2+5= 3+3= 2+2=2+7= 1+2= 4+3= 3+7=3+5= 8-4= 8-6= 41=5-4

29、= 6-1= 9-2= 4+3=62= 4+5= 10-6= 3+4= 9-6= 93= 51= 4+2= 105= 6+2= 8-5= 2+2= 4+1= 52= 4-2= 65= 3-1= 21= 6-3= 2+4= 86= 4+2= 2+6= 6+2= 21= 2+6= 105= 8-1= 61= 4+1= 10-2= 8-6= 107= 4+3= 63= 3-2= 2+1= 8-3= 101= 8-6= 1+3= 10-7= 1+3= 3+1= 6+2= 8-5= 2+7= 1+8= 31= 8+1= 6+4= 83= 2+3= 1+2= 73= 9-4= 3+2= 3+2= 4+1=

30、 10-4= 3+6= 8+2= 7-4= 5-3= 7-4= 63= 6-1= 1+7= 82= 4-1= 9-7= 6+3= 9-5= 98= 10以内加减法训练(16）日期: 计时： 正确题数： 63= 6-2= 3+6= 7+1= 2+7= 95= 21= 5+2= 104= 4+4= 91= 8-7= 3+3= 6+3= 6+3= 9-4= 7-4= 10-2= 7-2= 2+1= 1+3= 1+8= 10-2= 4+5= 8-3= 52= 9-6= 32= 2+5= 7-3= 81= 32=6+2=6+3= 1+6= 1+3= 2+5= 104= 2+4= 9-7= 42= 2+6

31、= 4-2= 3+1= 1+9= 6-1= 3+6= 5+3=73= 5+5= 6+4= 53= 8+2= 7-3= 3+6= 8+2= 2+7= 108= 9-4= 86= 10-7= 2-1= 6+3= 52= 5-2= 8+2= 41= 9+1= 43= 2+1= 8-1= 97=5+2= 1+3= 4-3= 98= 2+3= 6+2= 3+2= 8+2= 9-8= 43= 4+2= 5+2= 6-2= 6-3= 6-5= 71=42= 5+3= 1+1= 7+1= 1+9= 9+1= 5-4= 95=41=5-3=1-1=2+2= 10以内加减法训练（17）日期： 计时： 正确题数：

32、1+2= 103= 5+2= 4+5= 1+3= 65= 109= 1+4= 7-6= 1+2= 2+8= 1+9= 1+6= 96= 8-1= 3+5= 1+2= 4+5= 4+5=1+4= 6+1= 7+2= 2+4= 10-1= 74=8-6= 5-1= 2+6=6+4= 8+2= 102= 3+7= 6+3= 83= 5-2= 2+6=92= 106= 3-2= 2+1= 53= 2+4= 2+8= 42= 6+2= 2+2= 85= 10-2= 1+2= 2+8= 8-4= 1+1=2+3= 3+2=2+6= 9-6= 6+2= 9-1= 1+2= 21= 3+2= 21= 63=

33、1+7= 84= 7+3= 6+3= 2+7= 63= 8-3= 8+1= 6+2= 7-6= 9-5= 7+3= 1+8=86= 32= 105= 61= 8+2= 93= 6-1= 4-3= 8-2= 7+2= 10-3= 3-2= 5+5= 6+1=1+8= 7+1=6+3= 10-5= 6+2= 5+2= 75= 4+3= 103= 3+4=10以内加减法训练(18）日期: 计时： 正确题数： 1+4= 52= 4+1= 65= 7-4= 2+2= 98= 4+4=51= 5-2= 8-5= 1+5= 7+3= 2+5= 3+6= 10-4=8+2= 6-4= 71= 2+8= 76=

34、 9-3= 3+2= 5+4= 5+5= 2+5= 9-1= 65= 61= 1+6= 1+9= 9-8=10-4= 32= 10-5= 41= 4-2= 3+4= 1+6= 103= 8-7= 104= 1+7= 8+2= 52= 6+2= 101= 6-1=2+8= 2+4= 6+3= 3+7= 65= 7-3= 95= 4+4=3+6= 71= 8-5= 21= 4+4= 93= 32= 9-2=103= 6-5= 108= 8+2= 9-1= 7+3= 1+8= 103=8-2=6+4=4+4= 81= 96= 5+5= 61= 101= 5+1= 52= 9-4= 3-2= 62=

35、10-1= 1+2= 4+3=82= 7-3= 104= 86= 5+3= 4+3= 6+2= 1+5= 1+6= 4+5= 3+3= 65= 10以内加减法训练（19)日期： 计时： 正确题数: 7+2= 5+5= 7-3= 6+2= 7-1= 1+3= 4-1= 9-1= 4+6= 5+1= 101= 104= 108= 9-5= 7+3= 9+1= 2+6= 3+5= 8-1= 4+6= 2+8= 86= 9+1= 5+1= 1+3= 5-3= 3+3= 5+2= 7-3= 104= 51= 10-9= 6-2= 0-3= 93= 4+6= 6+2= 3-2= 72= 3+2= 97= 5-2= 3+2= 6+1= 6-5= 8-4= 9-2= 4+1= 74= 82= 106= 75=2+4= 7-6= 9-1= 6-1= 8+1= 63= 106= 5+2= 96= 7-5= 5+4= 3-1= 5+3= 97= 9-3= 8-6= 3+2= 1+4= 4-3= 94= 9+1= 6+4= 6+2= 5-4=7+2= 6+2= 52= 98= 101= 1+3= 4+5= 5+2= 5+5= 7