《1-4的乘法》
4 × 2= 3 × 3= 1 × 1= 2 × 3=
3 × 4= 3 × 4= 2 × 3= 3 × 3=
4 × 1= 1 × 2= 3 × 4= 2 × 3=
2 × 1= 2 × 3= 3 × 2= 1 × 4=
1 × 4= 4 × 3= 2 × 4= 2 × 3=
4 × 2= 3 × 3= 1 × 1= 2 × 3=
3 × 4= 3 × 4= 2 × 3= 3 × 3=
4 × 1= 1 × 2= 3 × 4= 2 × 3=
2 × 1= 2 × 3= 3 × 2= 1 × 4=
1 × 4= 4 × 3= 2 × 4= 2 × 3=

