因为积的个位上是8,以及十位上是D,
所以AB和D的乘积的十位上是0,个位上是8,
AB和D的乘积只能是108;
根据108=54×2=36×3=27×4=18×6=12×9,
可得A、B、D可能是5、4、2;2、7、4;或1、8、6;或1、2、9;
根据B和C的乘积的个位上是D,
可得A、B、D只能是5、4、2;或1、8、6;
(1)当A、B、D是5、4、2时,
经推理,可得C=3,可得
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/a6efce1b9d16fdfa0ae9145fb78f8c5495ee7bfe?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
(2)当A、B、D是1、8、6时,
经推理,可得C=7,可得
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d4628535e5dde7110f3d9147a4efce1b9c166190?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
.
答:A=5,B=4,C=3,D=2或A=1,B=8,C=7,D=6.