Question

1.8乘8分之1等于多少过程？

Answer 1

1.8×1/8
＝9/5×1/8
＝9/40

Answer 2

1.8×1/8
=9/5×1/8
=9/40

Answer 3

1.8X1/8
=18/10x1/8
=9/5x1/8
=9/40
=0.225。