Question

9/10-（3/10✖️3/8）等于多少？

Answer 1

9/10一(3/0x3/8)
=9/10一9/80
=72/80一9/80
=63/80

Answer 2

解:原式＝63／80

Answer 3

9/10-（3/10*3/8）=9/10-9/80=72/80-9/80=63/80

Answer 4

原式=9/10-9/80=63/80

Answer 5

9/10-(3/10×3/8)
＝9/10-9/80
＝72/80-9/80
＝63/80