1、20以内加减混合填空练习一、在()里填上合适的数。()+7=17()-2=189+()=1719-()=713+()=16()-4=10()+2=11()-5=9()+7=156+()=129+()=153+()=11()+8=1417-()=7()-5=1013-()=10()+6=1110+()=167+()=1517-()=17()+12=1213+()=1618-()=95+()=1411-()=517-()=1014+()=18()+8=12()-12=3()-8=8()+5=182+()=104+()=85+()=109+()=183+()=17()+6=10()+3=9()+1=
2、20()+7=10()+9=2013+()=1614-()=1012+()=1815-()=11()+5=1319-()=5()+2=1618-()=4()+2=144+()=2019-()=14()-5=1315+()=17()-15=519-()=4()-15=29+()=1815-()=10()-6=13()+9=1920-()=419-()=3()+11=15()-6=1218-()=1117-()=10()+6=15()-7=1113+()=1417-()=10()-8=1110+()=17()+5=1218-()=95+()=1411-()=517-()=1014+()=18()+
3、8=12()-12=3()-8=8()+5=1812-()=915-()=712-()=317-()=9()-6=712-()=513-()=8()-7=714-()=615-()=911-()=717-()=8()-5=713-()=713-()=515-()=812-()=917-()=712-()=616-()=9()-4=7()-6=520以内加减混合填空练习14-()=618-()=96+()=14()+6=1414-()=89+()=13()+8=13()+()=12()+8=15()-4=11()-9=9()-8=514-()=66+()=92+()=117+()=158+()=13()+7=12()+5=11()+10=1015-()=1515-()=515-()=1015-()=08+()=16()+7=12()+5=1416-()=107+()=140+()=125+()=11()+6=148-()=08-()=815-()=6()+13=1319-()=96+()=140+()=013-()=58+()=1510+()=1815+()=200-()=06+()=14二、在里填“”、“()6+34+()7+9()+78+5()6+()()+95+9()+108+10()-0()+78+3()+08+420以内加减混合填空练习