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能简便的就要简便计算.613+1739+713+22394-1617-117914+47-914+47613-(34-713)1419-(13+151)3.95÷0.25÷4.
题目详情
能简便的就要简便计算.
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| 3.95÷0.25÷4. |
▼优质解答
答案和解析
(1)
+
+
+
=(
+
)+(
+
)
=1+1
=2
(2)4-
-
=4-(
+
)
=4-1
=3
(3)
+
-
+
=
-
+
+
=
(4)
-(
-
)
=
-
+
=1-
=
(5)
-(
+
)
=
-
=
(6)3.95÷0.25÷4
=3.95÷(0.25×4)
=3.95÷1
=3.95.
6 |
13 |
17 |
39 |
7 |
13 |
22 |
39 |
=(
6 |
13 |
7 |
13 |
22 |
39 |
17 |
39 |
=1+1
=2
(2)4-
16 |
17 |
1 |
17 |
=4-(
16 |
17 |
1 |
17 |
=4-1
=3
(3)
9 |
14 |
4 |
7 |
9 |
14 |
4 |
7 |
=
9 |
14 |
9 |
14 |
4 |
7 |
4 |
7 |
=
8 |
7 |
(4)
6 |
13 |
3 |
4 |
7 |
13 |
=
6 |
13 |
3 |
4 |
7 |
13 |
=1-
3 |
4 |
=
1 |
4 |
(5)
14 |
19 |
1 |
3 |
1 |
51 |
=
14 |
19 |
6 |
17 |
=
124 |
323 |
(6)3.95÷0.25÷4
=3.95÷(0.25×4)
=3.95÷1
=3.95.
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