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