题目内容
怎样算简便就怎样算
|
| 24×
|
(1)
×
+
÷6,
=
×
+
×
,
=(
+
)×
,
=1×
,
=
;
(2)
÷[
×(
-
)],
=
÷[
×
],
=
÷
,
=
×4,
=
;
(3)24×
×
=10;
(4)(
+
)×24,
=24×
+
×24,
=16+4,
=20.
7 |
10 |
1 |
6 |
3 |
10 |
=
7 |
10 |
1 |
6 |
3 |
10 |
1 |
6 |
=(
7 |
10 |
3 |
10 |
1 |
6 |
=1×
1 |
6 |
=
1 |
6 |
(2)
9 |
32 |
4 |
3 |
7 |
16 |
1 |
4 |
=
9 |
32 |
4 |
3 |
3 |
16 |
=
9 |
32 |
1 |
4 |
=
9 |
32 |
=
9 |
8 |
(3)24×
5 |
7 |
7 |
12 |
(4)(
2 |
3 |
1 |
6 |
=24×
2 |
3 |
1 |
6 |
=16+4,
=20.
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