50以内加减法(学而思)

姓名：
26+9= 35-28= 7+23= 48-29= 22+18= 24-9= 19+17= 44-23= 22+18= 49-21= 15-1= 7+12= 7+9= 38+2= 4+23= 16+18= 29-17= 4+43= 42-29= 18+1= 24+26= 25+6= 43-20= 42-7= 47+3=
准确率
28+4= 26+5= 41-2= 31-21= 50-30= 23-12= 46-39= 39+11= 17+13= 49-15= 18+9= 10+20= 16+5= 5+23= 31+2= 32+6= 39-27= 42+2= 27-10= 6+37= 40-16= 22+16= 29-20= 7+33= 19+2=
计算 1
日期：
10-6= 28-25= 6+37= 27-21= 41-10= 28-8= 46-39= 24-14= 31-2= 22+25= 28-1= 34-29= 19+13= 37+7= 47-37= 40-18= 3+44= 15+7= 38-18= 42-37= 38-37= 46-41= 44-36= 41-5= 44-28=
准确率
41+7= 2+22= 19+31= 23-4= 15-12= 33+16= 7+18= 20-18= 45-27= 30-2= 4+22= 38-25= 36-6= 23-6= 32-5= 8+8= 49-1= 25-15= 41-1= 2+3= 35-5= 19+14= 30+2= 22-3= 25-11=
姓名：
49-6= 8+22= 14+22= 46-18= 22-16= 41+3= 33+8= 6+5= 14-9= 11+20= 18+14= 46-25= 4+40= 18+2= 41-30= 46-17= 48-10= 16+31= 20-16= 46-32= 35-24= 12+12= 36-7= 11+32= 33-22=
计算 2
用时：
5+31= 33+6= 12+5= 26+22= 22-8= 4+19= 45-3= 42-6= 26-2= 27-22= 1+42= 26+10= 17-15= 4+32= 16+15= 35+8= 7-2= 30-13= 36-5= 7+27= 49-14= 20-8= 35-10= 46-25= 13-5=
准确率
45-41= 17+13= 9+25= 17+30= 37-36= 14+12= 13+24= 9+21= 3+33= 2+10= 42-19= 8+35= 21+17= 2+42= 30+19= 17+5= 17+15= 8+3= 43-28= 37+8= 33+17= 14+16= 38+8= 6+31= 32-23=
计算 7
用时：
37-14= 41-2= 7+37= 9+15= 25+7= 22+7= 32-28= 16-11= 23-19= 11-10= 24+26= 2+12= 26-3= 40-14= 17-5= 29-17= 32-18= 42-21= 16-11= 23-19= 11-10= 24+26= 2+12= 26-3= 40-14=
用时：
32-26= 28-22= 23-14= 10+34= 33-3= 33-22= 30-7= 30+16= 29-5= 29-1= 3+41= 47-14= 50-39= 50-25= 19+25= 29-10= 4+41= 2+13= 44-11= 2+14= 24+9= 20+28= 7+16= 32-3= 29+14=
计算 3
日期：
46-16= 1+8= 41-11= 1+35= 37-32= 9-7= 18+3= 15+16= 31-25= 24-22= 41+9= 3+38= 9+25= 6+19= 34-20= 13+8= 34+12= 43-32= 39-33= 5+9= 21-8= 42-41= 26-6= 35+14= 47-24=
姓名：
26-3= 11-10= 23+5= 10+14= 28-12= 45-27= 23+22= 41-19= 47-39= 43-38= 36-33= 50-21= 43-14= 1+37= 50-39= 44-26= 32-28= 20+30= 23-8= 19-17= 18+3= 12-4= 13+6= 43-13= 47-18=
姓名：
3+4= 28+22= 4+43= 6+9= 45-28= 30-23= 19+22= 4+11= 5+39= 50-7= 50-34= 24-1= 10+37= 49-24= 4+36= 33+8= 32+11= 18-6= 32-3= 34-20= 28-15= 8+2= 9+41= 49-9= 1+23=
准确率
16+7= 22-12= 8+25= 37-3= 27+3= 44-27= 5+29= 21-5= 50-25= 18+29= 8-2= 29+21= 11-4= 27+13= 6+8= 45-23= 33-9= 27-16= 15-12= 34-22= 31+18= 19+10= 13+1= 16-1= 32+9=
日期：
19-9= 26-4= 24+1= 3+39= 26+20= 37+9= 3+18= 12+3= 47-8= 38+10= 30-1= 23+5= 26+9= 18-10= 41-27= 35-14= 1+48= 41+1= 23-22= 43-25= 33+11= 31+9= 37+11= 47-44= 48-32=
日期：
2+39= 13+1= 3+29= 47-45= 3+39= 4+44= 20+30= 4+34= 17+19= 5+30= 35-10= 39-13= 36-30= 15+16= 6+14= 45-39= 28+1= 12+36= 3+39= 33-5= 32-30= 49-42= 26-2= 24-14= 12-7=
姓名：
29-23= 44-36= 36-31= 17+23= 29-27= 8+31= 1+35= 46-4= 18+25= 35-29= 37-36= 14+11= 47-3= 48-12= 48-27= 13+34= 16+5= 31-22= 20+27= 38-20= 48-4= 25+19= 39-37= 39-38= 34+6=
24-12= 2+26= 35+15= 36+14= 43-2= 13+7= 29-19= 1+12= 2+45= 26-5= 26-25= 30-4= 36-10= 2+19= 5+29= 36-19= 5+32= 2+30= 43-25= 15+9= 18+2= 45+2= 44-9= 31+9= 15+19=
准确率 ：
24+7= 18-9= 45-37= 28-4= 36+13= 48-42= 19+19= 9+15= 4+18= 27-10= 9+39= 28+5= 42-2= 44-32= 28-6= 36-12= 18+27= 37-27= 19+9= 49-14= 21-8= 49-33= 28-11= 10+32= 39-12=
准确率：
2+29= 38+12= 28+7= 15+4= 32+17= 17+25= 45-18= 5+35= 20+6= 40-28= 38-21= 31-10= 27+21= 44-12= 11+15= 5+17= 39-37= 18+7= 29-21= 33+2= 6+38= 20-4= 35-17= 1+40= 24-12=
日期：
23-4= 42-35= 44-21= 41-6= 41-21= 15-4= 15+18= 6+28= 17+8= 18+23= 29+4= 34+14= 2+33= 27-2= 12+11= 6+32= 14+18= 15+11= 15+34= 49-7= 50-28= 35-7= 46-24= 23-12= 29+16=
姓名：
19+28= 31-11= 15+6= 9-7= 44-15= 14+12= 32-4= 46-33= 47-18= 43-15= 12+31= 7+15= 31-22= 25+12= 41+9= 11+20= 42-40= 8+5= 10+9= 22+12= 38-33= 44-35= 16+2= 26+15= 24-10=
用时：
36-28= 43-10= 17-16= 5+18= 16+12= 1+15= 20+20= 7+40= 10+34= 20+23= 24-19= 30-8= 47-42= 49-18= 25-4= 25+12= 16-1= 31-29= 11+38= 20-11= 26-17= 13+31= 12-4= 42-37= 48-1=
姓名：
36-25= 6+44= 49-29= 48-18= 15-4= 12+33= 40-12= 28+9= 18+10= 42-23= 40-35= 13+36= 25+13= 26-5= 32+1= 12+25= 28-1= 2+25= 25-5= 4+18= 20-4= 22-21= 50-33= 45-43= 33-4=
计算 6
日期：
用时：
14+11= 11+16= 21-2= 30-29= 10+34= 29+20= 22+13= 41-21= 2+13= 43-40= 45+4= 45-41= 49-32= 24+11= 34-23= 10-4= 1+23= 1+9= 5+44= 8-3= 26-16= 35-18= 41-12= 36-20= 8-2=
计算 5
用时：
23+15= 17+16= 21+22= 18+1= 50-39= 26+19= 19+19= 45-40= 1+23= 21-19= 34+12= 45-28= 25+1= 36+11= 16+32= 38-32= 11-2= 13-3= 48-8= 23-19= 41+7= 1+4= 32-24= 11+14= 24-21=
计算 4
用时：
40+8= 18-17= 12-4= 45-36= 30+7= 1+6= 12+22= 9+39= 48-3= 4+42= 37-36= 43-42= 44-23= 15+16= 26-9= 36-28= 45-6= 39+2= 15-2= 39-30= 31-13= 29-22= 15+4= 35-10= 34+8=
准确率：
17-5= 29-17= 32-18= 42-21= 4+45= 7+10= 42-12= 35+3= 1+45= 21+6= 9+16= 26-22= 29-24= 47-37= 20+5= 11+8= 36+9= 35-34= 1+41= 4+41= 43-34= 48-46= 6+39= 21+18= 40-6= 44-26=
Leabharlann Baidu
日期：
30-16= 5+25= 20-1= 27-7= 29+9= 44-25= 24+24= 29-19= 6+42= 49-27= 40+4= 19+17= 25+3= 16+5= 27+12= 41+4= 38-8= 45-8= 11+1= 9+37= 29-24= 9+19= 13-10= 29+12= 28+13=