20以内加减法算式中缺项的练习题

20以内加减法算式中缺项的练习题LT1+□=21+□=31+□=41+□=51+□=61+□=71+□=81+□=91+□=101+□=111+□=121+□=131+□=141+□=151+□=161+□=171+□=181+□=192+□=32+□=42+□=52+□=62+□=72+□=82+□=92+□=102+□=112+□=122+□=132+□=142+□=152+□=162+□=172+□=182+□=193+□=43+□=53+□=63+□=73+□=83+□=93+□=103+□=113+□=123+□=133+□=143+□=153+□=163+□=173+□=183+□=194+□=54+□=64+□=74+□=84+□=94+□=104+□=114+□=124+□=134+□=144+□=154+□=164+□=174+□=184+□=195+□=65+□=75+□=85+□=95+□=105+□=115+□=125+□=135+□=145+□=155+□=165+□=175+□=185+□=196+□=76+□=86+□=96+□=106+□=116+□=126+□=136+□=146+□=156+□=166+□=176+□=186+□=197+□=87+□=97+□=107+□=117+□=127+□=137+□=147+□=157+□=167+□=177+□=187+□=198+□=98+□=108+□=118+□=128+□=138+□=148+□=158+□=168+□=178+□=188+□=199+□=109+□=119+□=129+□=139+□=149+□=159+□=169+□=179+□=189+□=1910+□=1110+□=1210+□=1310+□=1410+□=1510+□=1610+□=1710+□=1810+□=1911+□=1211+□=1311+□=1411+□=1511+□=1611+□=1711+□=1811+□=1912+□=1312+□=1412+□=1512+□=1612+□=1712+□=1812+□=1913+□=1413+□=1513+□=1613+□=1713+□=1813+□=1914+□=1514+□=1614+□=1714+□=1814+□=1915+□=1615+□=1715+□=1815+□=1916+□=1716+□=1816+□=1917+□=1817+□=1918+□=19□+1=2□+1=3□+1=4□+1=5□+1=6□+1=7□+1=8□+1=9□+1=10□+1=11□+1=12□+1=13□+1=14□+1=15□+1=16□+1=17□+1=18□+1=19□+2=3□+2=4□+2=5□+2=6□+2=7□+2=8□+2=9□+2=10□+2=11□+2=12□+2=13□+2=14□+2=15□+2=16□+2=17□+2=18□+2=19□+3=4□+3=5□+3=6□+3=7□+3=8□+3=9□+3=10□+3=11□+3=12□+3=13□+3=14□+3=15□+3=16□+3=17□+3=18□+3=19□+4=5□+4=6□+4=7□+4=8□+4=9□+4=10□+4=11□+4=12□+4=13□+4=14□+4=15□+4=16□+4=17□+4=18□+4=19□+5=6□+5=7□+5=8□+5=9□+5=10□+5=11□+5=12□+5=13□+5=14□+5=15□+5=16□+5=17□+5=18□+5=19□+6=7□+6=8□+6=9□+6=10□+6=11□+6=12□+6=13□+6=14□+6=15□+6=16□+6=17□+6=18□+6=19□+7=8□+7=9□+7=10□+7=11□+7=12□+7=13□+7=14□+7=15□+7=16□+7=17□+7=18□+7=19□+8=9□+8=10□+8=11□+8=12□+8=13□+8=14□+8=15□+8=16□+8=17□+8=18□+8=19□+9=10□+9=11□+9=12□+9=13□+9=14□+9=15□+9=16□+9=17□+9=18□+9=19□+10=11□+10=12□+10=13□+10=14□+10=15□+10=16□+10=17□+10=18□+10=19□+11=12□+11=13□+11=14□+11=15□+11=16□+11=17□+11=18□+11=19□+12=13□+12=14□+12=15□+12=16□+12=17□+12=18□+12=19□+13=14□+13=15□+13=16□+13=17□+13=18□+13=19□+14=15□+14=16□+14=17□+14=18□+14=19□+15=16□+15=17□+15=18□+15=19□+16=17□+16=18□+16=19□+17=18□+17=19□+18=1920-□=120-□=220-□=320-□=420-□=520-□=620-□=720-□=820-□=920-□=1020-□=1220-□=1320-□=1420-□=1520-□=1620-□=1720-□=1820-□=1920-□=2019-□=119-□=219-□=319-□=419-□=519-□=619-□=719-□=819-□=919-□=1019-□=1219-□=1319-□=1419-□=1519-□=1619-□=1719-□=1819-□=1918-□=118-□=218-□=318-□=418-□=518-□=618-□=718-□=818-□=918-□=1018-□=1218-□=1318-□=1418-□=1518-□=1618-□=1718-□=1817-□=117-□=217-□=317-□=417-□=517-□=617-□=717-□=817-□=917-□=1017-□=1217-□=1317-□=1417-□=1517-□=1617-□=1716-□=116-□=216-□=316-□=416-□=516-□=616-□=716-□=816-□=916-□=1016-□=1216-□=1316-□=1416-□=1516-□=1615-□=115-□=215-□=315-□=415-□=515-□=615-□=715-□=815-□=915-□=1015-□=1215-□=1315-□=1415-□=1514-□=114-□=214-□=314-□=414-□=514-□=614-□=714-□=814-□=914-□=1014-□=1214-□=1314-□=1413-□=113-□=213-□=313-□=413-□=513-□=613-□=713-□=813-□=913-□=1013-□=1113-□=1213-□=1312-□=112-□=212-□=312-□=412-□=512-□=612-□=712-□=812-□=912-□=1012-□=1112-□=1211-□=111-□=211-□=311-□=411-□=511-□=611-□=711-□=811-□=911-□=1011-□=1110-□=110-□=210-□=310-□=410-□=510-□=610-□=710-□=810-□=910-□=109-□=19-□=29-□=39-□=49-□=59-□=69-□=79-□=89-□=98-□=18-□=28-□=38-□=48-□=58-□=68-□=78-□=87-□=17-□=27-□=37-□=47-□=57-□=67-□=76-□=16-□=26-□=36-□=46-□=56-□=65-□=15-□=25-□=35-□=45-□=54-□=14-□=24-□=34-□=43-□=13-□=23-□=32-□=12-□=2□=1□-1=1□-1=2□-1=3□-2=4□-1=5□-2=6□-1=7□-1=8□-1=9□-2=10□-1=11□-1=12□-1=13□-1=14□-1=15□-1=16□-18=18□-18=19□-19=19