二年级上册口算练习
25÷5= 2×6= 45-8= 9+78= 12÷4=
12-3= 36÷6= 30÷6= 40-8= 16-4=
5+25= 70-7= 4×3= 2÷2= 26+9=
3×3= 6÷2= 52-5= 5×3= 4÷2=
24÷4= 12÷6= 5÷5= 80-20= 3×6=
66+3= 4×2= 3+12= 10÷2= 36-6=
8÷2= 5+31= 9÷3= 6×4= 12÷3=
45+9= 20+30= 2×5= 15÷5= 75-7=
6÷3= 4×5= 18÷3= 30-3= 3÷3=
4×4+5= 2×3+3= 3×4+3= 5×5+5= 6×5-6=