Question

直接写出得数． 1 2 × 4 3 = 3 16 × 4 15 = 2.4×

直接写出得数． 1 2 × 4 3 = 3 16 × 4 15 = 2.4× 1 4 = 16 25 ×2.5= 5 8 × 2 5 = 1- 4 9 = 1 5 ×5= 0× 11 4 =

Answer 1

1 2 × 4 3 = 2 3 ， 3 16 × 4 15 = 1 20 ， 2.4× 1 4 =0.6， 16 25 ×2.5= 8 5 ， 5 8 × 2 5 = 1 4 ， 1- 4 9 = 5 9 ， 1 5 ×5=1， 0× 11 4 =0．