1+ 1= 21+ 2= 32+ 2= 41+ 3= 42+ 3= 53+ 3= 61+ 4= 52+ 4= 63+ 4= 74+ 4= 81+ 5= 62+ 5= 73+ 5= 84+ 5= 95+ 5=101+ 6= 72+ 6= 83+ 6= 94+ 6=105+ 6=116+ 6=121+ 7= 82+ 7= 93+ 7=104+ 7=115+ 7=126+ 7=137+ 7=141+ 8= 92+ 8=103+ 8=114+ 8=125+ 8=136+ 8=147+ 8=158+ 8=161+ 9=102+ 9=113+ 9=124+ 9=135+ 9=146+ 9=157+ 9=168+ 9=179+ 9=181+10=112+10=123+10=134+10=145+10=156+10=167+10=178+10=189+10=1910+10=2020 以内加法口诀1+11=122+11=133+11=144+11=155+11=166+11=177+11=188+11=199+11=201+12=132+12=143+12=154+12=165+12=176+12=187+12=198+12=201+13=142+13=153+13=164+13=175+13=186+13=197+13=201+14=152+14=163+14=174+14=185+14=196+14=201+15=162+15=173+15=184+15=195+15=201+16=172+16=183+16=194+16=201+17=182+17=193+17=201+18=192+18=201+19=2010 以内减法1-1=02-1=12-2=03-1=23-2=13-3=04-1=34-2=24-3=14-4=05-1=45-2=35-3=25-4=15-5=06-1=56-2=46-3=36-4=26-5=16-6=07-1=67-2=57-3=47-4=37-5=27-6=17-7=08-1=78-2=68-3=58-4=48-5=38-6=28-7=18-8=09-1=89-2=79-3=69-4=59-5=49-6=39-7=29-8=19-9=010-1=9 10-2=8 10-3=710-4=6 10-5=5 10-6=4 10-7=310-8=210-9=110-10=020 以内减法11-1=1011-2=911-3=811-4=711-5=611-6=511-7=411-8=311-9=211-10=112-2=1012-3=912-4=812-5=712-6=612-7=512-8=412-9=312-10=213-3=1013-4=913-5=813-6=713-7=613-8=513-9=413-10=314-4=1014-5=914-6=814-7=714-8=614-9=514-10=415-5=1015-6=915-7=815-8=715-9=615-10=516-6=1016-7=916-8=816-9=716-10=617-7=1017-8=917-9=817-10=718-8=1018-9=918-10=819-9=1019-10=920-10=10“”“”At the end, Xiao Bian gives you a passage. Minand once said, people who learn to learn are very happy people. In every wonderful life, learning is an eternal theme. As a professional clerical and teaching position, I understand the importance of continuous learning, life is diligent, nothing can be gained, only continuous learning can achieve better self. Only by constantly learning and mastering the latest relevant knowledge, can employees from all walks of life keep up with the pace of enterprise development and innovate to meet the needs of the market. This document is also edited by my studio professionals, there may be errors in the document, if there are errors, please correct, thank you!