1375+450÷18×25
8-2= 8-6= 8-5=8-3= 5-4= 5-1=
10-3= 10-2= 5-2= 7-3= 6-4= 8-4=
5-5= 6-1= 7-3=8-5= 4-2= 9-7=
算一算。3+3= 5+2= 3+6= 0+7= 4+6= 3+4=4+5= 8+2= 5+5=