1、()-4=10小學一年級數(shù)學 20 以內(nèi)加減法混合練習題-、在（）里填上合適的數(shù)。） +5=1211+（ ） =1920- （ ） =1510+（ ） =2016- （ ） =0） +7=17） -2=189+（ ） =1719- （ ） =7()+2=11()-5=9()+7=156+ ( ) =129+ ( ) =153+ ( ) =11()+8=1417- ( ) =7()-5=1013- ( ) =102 / 16()+8=1210+ ( ) =167+ ( ) =1517- ( ) =17()+12=1213+ ( ) =1618- ( ) =95+ ( ) =1411- ( ) =

2、517- ( ) =10()-12=3()-8=8()+5=182+ ( ) =104+ ( ) =85+ ( ) =109+ ( ) =183+ ( ) =17()+6=10+3=94 / 16()+2=14()+7=10()+9=2013+ ( ) =1614- ( ) =1012+ ( ) =1815- ( ) =11()+5=1319- ( ) =5()+2=164+ ( ) =2019- ( ) =14()-5=1315+ ( ) =17-15=519- ( ) =4-15=29+ ( ) =1815- ( ) =10()-6=136 / 16()-8=1120- ( ) =419-

3、 ( ) =3()+11=15()-6=1218- ( ) =1117- ( ) =10+6=15-7=1113+ ( ) =1410+ ( ) =17()+5=1218- ( ) =95+ ( ) =1411- ( ) =517- ( ) =1014+ ( ) =18) +8=12()-12=3-8=88 / 1611- (=712- (=915- (=716- (=317- (=9-6=718- (=519- (=8-7=720- (=617-(=8-5=713-(=713-(=515-(=812-(=917-(=712-(=616-(=9-4=710 / 16()-9=914- ( )

4、=618- ( ) =96+ ( ) =14()+6=1414- ( ) =89+ ( ) =13()+8=13()+ ( ) =12()+8=15()-8=514- ( ) =66+ ( ) =92+ ( ) =117+ ( ) =158+ ( ) =13+7=12+5=11()+10=1015- ( ) =1512 / 168- ( ) =015- ( ) =1015- ( ) =08+ ( ) =16()+7=12()+5=1416- ( ) =107+ ( ) =140+ ( ) =125+ ( ) =118- ( ) =815- ( ) =6()+13=1319- ( ) =96+ ( ) =140+ ( ) =013- ( ) =58+ ( ) =1510+ ( ) =1815+ ( ) =2014 / 160- ( ) =06+ ( ) =14二、在 0 里填“”、()6+34+ ()7+9 ( ) +79+4 ( ) +95+9 ( )