问题
填空题
|
答案
×8 13
=13 8
×7 10
=110 7
×17 20
=20 17
×20 17
=1.17 20
故答案为:
,13 8
; 10 7
,20 17
.17 20
|
×8 13
=13 8
×7 10
=110 7
×17 20
=20 17
×20 17
=1.17 20
故答案为:
,13 8
; 10 7
,20 17
.17 20