题目内容
从一副扑克牌(四种花色、去掉大小王)中,抽到5的可能性是______,抽到红心5的可能性是______,抽到黑桃的可能性是______.
(1)4÷(54-2),
=4÷52,
=
;
(2)1÷(54-2),
=1÷52,
=
;
(3)13÷(54-2),
=13÷52,
=
;
答:抽到5的可能性是
,抽到红心5的可能性是
,抽到黑桃的可能性是
;
故答案为:
,
,
.
=4÷52,
=
| 1 |
| 13 |
(2)1÷(54-2),
=1÷52,
=
| 1 |
| 52 |
(3)13÷(54-2),
=13÷52,
=
| 1 |
| 4 |
答:抽到5的可能性是
| 1 |
| 13 |
| 1 |
| 52 |
| 1 |
| 4 |
故答案为:
| 1 |
| 13 |
| 1 |
| 52 |
| 1 |
| 4 |
练习册系列答案
相关题目