题目内容
(
+
)×
=(______×______)+(______×______)
4 |
7 |
4 |
5 |
3 |
4 |
(
+
)×
,
=(
×
)+(
×
),
=
+
,
=
.
故答案为:
,
,
,
.
4 |
7 |
4 |
5 |
3 |
4 |
=(
4 |
7 |
3 |
4 |
4 |
5 |
3 |
4 |
=
3 |
7 |
3 |
5 |
=
36 |
35 |
故答案为:
4 |
7 |
3 |
4 |
4 |
5 |
3 |
4 |
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