题目内容
计算:(
×
+
×
)×
=______.
23 |
5 |
31 |
7 |
25 |
7 |
23 |
5 |
1 |
8 |
(
×
+
×
)×
,
=[
×(
+
)]×
,
=[
×8]×
,
=
×(8×
),
=
×1,
=
.
故答案为:
.
23 |
5 |
31 |
7 |
25 |
7 |
23 |
5 |
1 |
8 |
=[
23 |
5 |
31 |
7 |
25 |
7 |
1 |
8 |
=[
23 |
5 |
1 |
8 |
=
23 |
5 |
1 |
8 |
=
23 |
5 |
=
23 |
5 |
故答案为:
23 |
5 |
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