A math calculation problem in the first grade of primary school
15-5= 15-6= 15-7= 15-8= 15-9= 18- 10= 17- 1= 17-2= 17-3= 17-4=
2+ 17= 2+ 18= 3+3= 3+4= 3+5=
19- 10= 18- 1= 18-2= 18-3= 18-4=
3+ 16= 3+ 17= 4+4= 4+5= 4+6=
13-5= 13-6= 13-7= 13-8= 13-9=
4+7= 4+8= 4+9= 4+ 10= 4+ 1 1=
13- 10= 12- 1= 12-2= 12-4= 12-5=
4+ 12= 4+ 13= 4+ 14= 4+ 15= 4+ 16=
1 1- 1= 1 1-2= 1 1-3= 1 1-4= 1 1-5=
5+5= 5+6= 5+7= 5+8= 5+9=
8-7= 8-8= 7- 1= 7-2= 7-3=
Mathematical calculation problems of grade two and grade one in primary school
74-3- 16= 44-5-6= 33-6-24= 99-6-5= 84-4-2= 57-34- 13= 80- 19-37= 59- 1 1-43=
83-5-40= 70-62-3= 99-4-28= 85-40-44=
9 1- 1-69= 100-39-32= 4 1- 14- 19= 74- 17-54=
80-3-52= 54-34-2= 85-0- 10= 9 1-39-5=
89- 18-48= 85- 10-64= 86-45-23= 86-25-0=
80- 1 1-47= 82-43-7= 92-32-25= 92-22-5 1=
37- 1 1- 1 1= 92-4-30= 58- 15-0= 23-4- 18=
60- 13-3 1= 54-2 1-29= 83-3-49= 63-23- 1=
90-2-47= 83-48- 18= 80-23- 12= 97- 1-24=
Mathematical calculation problems of grade three and grade one in primary school
17- 10= 16- 1= 16-2= 16-3= 16-4= 1+ 1 1= 1+ 12= 1+ / kloc-0/3= 1+ 14= 1+ 15=
20- 10= 19- 1= 19-2= 19-3= 19-4=
18-5= 18-6= 18-7= 18-8= 18-9=
17-5= 17-6= 17-7= 17-8= 17-9=
6-2= 6-3= 6-4= 6-5= 6-6=
16- 10= 15- 1= 15-2= 15-3= 15-4=
2+7= 2+8= 2+9= 2+ 10= 2+ 1 1=
15- 10= 14- 1= 14-2= 14-3= 14-4=
1+ 16= 1+ 17= 1+ 18= 1+ 19= 2+0=
19-5= 19-6= 19-7= 19-8= 19-9=
2+ 12= 2+ 13= 2+ 14= 2+ 15= 2+ 16=