28+3= 48-26= 20-8= 3+25= 38-35= 44-14= 37-15= 20-11= 26-14= 42-42= 46-39= 44-10= 6+25= 28+9= 41-1= 44-13= 31-27= 2+39= 2+41= 5+28= 47-15= 26-15= 48-10=
30-28= 49-46= 32+16= 30-7= 26-10= 39+7= 27+8= 33+8= 17+24= 18+26= 25-1= 3+22= 24-4= 43-31= 21-7= 30-14= 11+38= 16+29= 14+16= 25+10= 28+14= 6+24= 47-21= 32+7= 36-34=
21+1= 42+3= 16+22= 37-5= 38-20= 49-33= 37-26= 31+15= 31-1= 18+18= 1+37= 50-4= 38+2= 29-26= 1+35= 22-16= 33-19= 20-8= 30-11= 36-28= 48-46= 5+41= 15+32= 27+20= 22-9=
24+17= 21+20= 22+22= 18+6= 36+14= 26+17= 35+11= 26-22= 33-28= 6+20= 23-7= 45-17= 26-1= 33+4= 33+4= 24-14= 48-30= 37-18= 37-22= 42-17= 18+30= 39-32= 34-34= 49-5= 45+4=
50以内口算第16页/ 共60页
20+14= 22+11= 6+39= 28-22= 20-15= 2+30= 33-11= 9+11= 30-19= 8+25= 7+33= 39-14= 31-22= 7+17= 28-13= 24-20= 27-1= 43-8= 43-31= 31-28= 41-35= 13+7= 40-26= 50-13=
30-25= 14+24= 26-2= 32-27= 31+10= 7+26= 8+24= 32-20= 1+29= 2+30= 37-6= 16+26= 13+12= 13+17= 20+28= 48+2= 31-15= 41+4= 13+34= 14+29= 40-4= 28-12= 38-3= 3+17= 35+14=
46-17= 22+1= 11+35= 40+8= 19+4= 27-17= 18+7= 25-8= 18+26= 37-17= 1+40= 27-16= 28+21= 24-8= 33-11= 29+14= 3+18= 27+2= 6+34= 44-33= 45-3= 19+26= 14+21= 18+10= 15+33=
7+41= 49-11= 31-9= 19+15= 17+27= 29-25= 24+7= 11+30= 2+26= 22-21= 44-3= 37-5= 27+15= 29-16= 16+15= 41-11= 38+10= 27+5= 3+41= 36-28= 33-14= 31-20= 44-21= 33-21= 29-14=
50以内口算第17页/ 共60页
16+11= 11+12= 14+25= 34-26= 15+26= 43-39= 36-14= 36-7= 42+1= 7+31= 33-12= 20-12= 3+36= 30-19= 14+12= 33-20= 27-21= 42-37= 29-24= 35+7= 13+27= 15+20= 12+29= 46-6= 22+21= 45-17= 44-14= 39+11=
38-37= 36-8= 47-36= 26+5= 49-37= 31+11= 25-19= 27-6= 7+30= 43-17= 45-8= 32-8= 29-27= 36+1= 23+23= 30-6= 34-3= 38+1= 44-7= 48+1= 34-31= 13+14= 48-47= 45-35= 26-12=
15+17= 1+35= 39+5= 23+2= 31+10= 48-47= 24+20= 29+16= 40+9= 35-2= 25-17= 29-5= 30+1= 19+6= 44-34= 27-8= 49-32= 31-13= 33+12= 21-21= 44-42= 2+47= 49-29= 12+11= 42-20=
40-24= 49-20= 32+12= 34-24= 1+44= 39-10= 40-18= 16+18= 9+18= 39-6= 21-1= 15+8= 33-17= 19+9= 27-18= 42-22= 3+26= 22-20= 48-19= 25-7= 17+8= 45-15= 13+21= 25-25= 45-1=
50以内口算第18页/ 共60页
30-12= 26+17= 24-3= 29-26= 27-22= 20+6= 47-37= 42-32= 35-25= 28-16= 21-3= 9+25= 8+30= 15+25= 32-32= 47-39= 2+19= 35-17= 26-10= 36+12= 49-33= 30-1= 35+12= 16+4= 36-25=
40-37= 38-27= 4+37= 38-4= 12+13= 2+30= 49-39= 1+45= 34-28= 27+16= 38-33= 30+10= 48+1= 46-32= 22+17= 21-12= 31-23= 9+22= 18+29= 29+15= 15+28= 18+20= 26+6= 45+3= 36-19=
7+36= 31+4= 2+24= 38-11= 36-21= 8+12= 3+27= 31-1= 28-23= 8+32= 46-24= 2+47= 40-35= 24-15= 16+6= 27-4= 43-42= 7+23= 35-15= 1+38=
24+24= 9+11= 50-45= 22-4= 11+10= 30-10= 26-23= 16+26= 45-42= 1+46= 29-11= 47-23= 10+18= 22-20= 46-12= 30+18= 38-34= 24-13= 48-13= 33-19= 20-13= 35+4= 22+16= 44-9= 35-12=
50以内口算第19页/ 共60页
12+13= 21+27= 23+17= 15+18= 19+17= 35-7= 30-21= 49-39= 27-12= 47-44= 28+5= 40+8= 8+21= 49-42= 7+26= 28-8= 33-18= 7+25= 49-32= 34-20= 24-11= 43-20= 29-22= 31-23=
35+15= 13+28= 21+15= 43-26= 20+20= 28-11= 4+46= 10+31= 26-19= 8+19= 1+33= 42-35= 31+8= 47+1= 27-21= 26-6= 32+15= 30-29= 23-11= 40+4= 36-17= 18+30= 27-21= 19+20= 20-19=
33-4= 4+24= 38-15= 32-13= 19+28= 20-11= 18+18= 27+18= 28+15= 31-29= 40+5= 23-14= 1+33= 47-21= 23+11= 32-14= 25-15= 29-17= 22-2= 36+4= 46+2= 46-37= 43+4= 29+9= 25-14=
26-13= 15+32= 31-4= 5+26= 1+48= 26+10= 37-33= 23-17= 16+15= 42-35= 6+41= 33-23= 31-27= 46-36= 20-2= 15+21= 36-9= 27+14= 47-35= 2+18= 22+10= 42-30= 22+28= 27-13= 23+20=
50以内口算第20页/ 共60页
31+14= 17+12= 25+19= 15+18= 26+24= 17+16=
50以内口算6000题打印版
