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415÷95+1115×5978×1211−38×1112165×3÷45(3−1.4)÷815.
题目详情
|
|
| (3−1.4)÷
|
▼优质解答
答案和解析
(1)
÷
+
×
=
×
+
×
,
=(
+
)×
,
=1×
,
=
;
(2)
×
-
×
=
-
,
=
-
,
=
;
(3)
×3÷
=
×
×3,
=12;
(4)(3−1.4)÷
.
=1.6×
,
=3.
4 |
15 |
9 |
5 |
11 |
15 |
5 |
9 |
=
4 |
15 |
5 |
9 |
11 |
15 |
5 |
9 |
=(
4 |
15 |
11 |
15 |
5 |
9 |
=1×
5 |
9 |
=
5 |
9 |
(2)
7 |
8 |
12 |
11 |
3 |
8 |
11 |
12 |
=
21 |
22 |
11 |
32 |
=
336 |
352 |
121 |
352 |
=
215 |
352 |
(3)
16 |
5 |
4 |
5 |
=
16 |
5 |
5 |
4 |
=12;
(4)(3−1.4)÷
8 |
15 |
=1.6×
15 |
8 |
=3.
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