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用递等式计算:(856-35266÷77)×251-0.128÷(1.19+0.41)1415×(57-314÷34)[15×(34-13)+112]÷16.
题目详情
用递等式计算:
(856-35266÷77)×25
1-0.128÷(1.19+0.41)
×(
-
÷
)
[
×(
-
)+
]÷
.
(856-35266÷77)×25
1-0.128÷(1.19+0.41)
14 |
15 |
5 |
7 |
3 |
14 |
3 |
4 |
[
1 |
5 |
3 |
4 |
1 |
3 |
1 |
12 |
1 |
6 |
▼优质解答
答案和解析
(1)(856-35266÷77)×25
=(856-458)×25
=398×25
=9950
(2)1-0.128÷(1.19+0.41)
=1-0.128÷1.6
=1-0.08
=0.92
(3)
×(
-
÷
)
=
×(
-
)
=
×
=
(4)[
×(
-
)+
]÷
=[
×
+
]÷
=(
+
)÷
=
÷
=1
=(856-458)×25
=398×25
=9950
(2)1-0.128÷(1.19+0.41)
=1-0.128÷1.6
=1-0.08
=0.92
(3)
14 |
15 |
5 |
7 |
3 |
14 |
3 |
4 |
=
14 |
15 |
5 |
7 |
2 |
7 |
=
14 |
15 |
3 |
7 |
=
2 |
5 |
(4)[
1 |
5 |
3 |
4 |
1 |
3 |
1 |
12 |
1 |
6 |
=[
1 |
5 |
5 |
12 |
1 |
12 |
1 |
6 |
=(
1 |
12 |
1 |
12 |
1 |
6 |
=
1 |
6 |
1 |
6 |
=1
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