50以内加减法练习题2.doc

精品文档29-13= 42-14= 13-4= 11-2= 14-10=2418= 2517= 329= 725= 1826=44-6= 32-15= 41-25= 33-28 35-26=717= 929= 396= 825= 389=2115= 4236= 3419= 469= 458=407= 1616= 1818= 1930= 1727=148= 256= 469= 2718= 4829=919= 725= 836= 539= 438=17-10= 36-10= 46-20= 36-30= 46-40=10+40= 10+20= 10+30= 19+24= 17+25=20-10= 29-1= 39-2= 49-3= 49-14=28-15= 30-16= 38-27= 48-38= 28-9=27-15= 37-26= 47-7= 37-28= 27-19=26-2= 16-3= 36-4= 46-5= 36-6=16-10= 35-1= 45-20= 35-30= 25-4=20+7= 22+8= 24+9= 25+10= 28+11=15-10= 44-18= 40-22= 34-3= 24-4=12+16= 13+17= 31+18= 21+19= 25+20=23-15= 39-26= 40-17= 49-18= 49-29=20+12= 22+13= 24+14= 25+15= 26+16=25-5= 35-6= 45-27= 35-18= 25-9=48-10= 47-18= 27-20= 37-30= 37-14=23+17= 32+18= 43+3= 43+4= 43+5=49-10= 38-12= 48-28= 38-33= 28-4=30+16= 33+17= 44+4= 24+15= 40+6=33-25= 23-16= 43-17= 30-18= 32-9=43+7= 42+8= 24+9= 34+10= 24+11=43-10= 32-11= 42-20= 42-40= 32-5=34+12= 24+13= 14+14= 24+15= 14+16=41-12= 31-2= 41-30= 31-24= 21-5=40-26= 25 +7= 24+17= 27+19= 45-28=25-9= 33-14= 42-17= 31-6= 43-15=26+9= 18+14= 28+15= 9+31= 41-27=31-19= 32-8= 46-7= 33-6= 35-15=26-7= 33-27= 27+14= 18+13= 37-16=10+26= 9+25= 41-37= 26+10= 8+25=19-8= 28+5= 29+15= 18+16= 17+14=28+2= 34+7= 23+19= 32-8= 25+18 =16-9= 33+6= 43-27= 35-6= 42-15=13+25= 33-16= 36+9= 19+15= 30-28=40+6= 19+9= 38+7= 29-7= 16+33=43-1