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脱式计算.(怎么简便就怎么算.)①56−(13+14)②38−310×56③4÷83−35④38÷110×35⑤24×(14+16−13)⑥45×79+15×79.
题目详情
脱式计算.(怎么简便就怎么算.)
①
−(
+
)
②
−
×
③4÷
−
④
÷
×
⑤24×(
+
−
)
⑥
×
+
×
.
①
5 |
6 |
1 |
3 |
1 |
4 |
②
3 |
8 |
3 |
10 |
5 |
6 |
③4÷
8 |
3 |
3 |
5 |
④
3 |
8 |
1 |
10 |
3 |
5 |
⑤24×(
1 |
4 |
1 |
6 |
1 |
3 |
⑥
4 |
5 |
7 |
9 |
1 |
5 |
7 |
9 |
▼优质解答
答案和解析
(1)
−(
+
),
=
−(
+
),
=
-
,
=
−
,
=
,
=
;
(2)
−
×
,
=
−
,
=
−
,
=
;
(3)4÷
-
,
=4×
-
,
=
-
,
=
−
,
=
;
(4)
÷
×
,
=
×10×
,
=
,
=2
;
(5)24×(
+
-
),
=24×
+24×
-24×
,
=6+4-8,
=2;
(6)
×
+
×
,
=
×(
+
),
=
×1,
=
.
5 |
6 |
1 |
3 |
1 |
4 |
=
5 |
6 |
4 |
12 |
3 |
12 |
=
5 |
6 |
7 |
12 |
=
10 |
12 |
7 |
12 |
=
3 |
12 |
=
1 |
4 |
(2)
3 |
8 |
3 |
10 |
5 |
6 |
=
3 |
8 |
1 |
4 |
=
3 |
8 |
2 |
8 |
=
1 |
8 |
(3)4÷
8 |
3 |
3 |
5 |
=4×
3 |
8 |
3 |
5 |
=
3 |
2 |
3 |
5 |
=
15 |
10 |
6 |
10 |
=
9 |
10 |
(4)
3 |
8 |
1 |
10 |
3 |
5 |
=
3 |
8 |
3 |
5 |
=
9 |
4 |
=2
1 |
4 |
(5)24×(
1 |
4 |
1 |
6 |
1 |
3 |
=24×
1 |
4 |
1 |
6 |
1 |
3 |
=6+4-8,
=2;
(6)
4 |
5 |
7 |
9 |
1 |
5 |
7 |
9 |
=
7 |
9 |
4 |
5 |
1 |
5 |
=
7 |
9 |
=
7 |
9 |
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