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脱式计算.(能简算的要简算)9.1-0.64-0.364×0.8×2.5×12.513×10.2905×99+905(12-13+14)÷124165÷〔(53+15)×157〕

题目详情
脱式计算.(能简算的要简算)
9.1-0.64-0.36       4×0.8×2.5×12.5       13×10.2
905×99+905       
1
2
-
1
3
+
1
4
)÷
1
24
16
5
÷〔(
5
3
+
1
5
)×
15
7

9.1-0.64-0.36       4×0.8×2.5×12.5       13×10.2
905×99+905       
1
2
-
1
3
+
1
4
)÷
1
24
16
5
÷〔(
5
3
+
1
5
)×
15
7
9.1-0.64-0.36       4×0.8×2.5×12.5       13×10.29.1-0.64-0.36       4×0.8×2.5×12.5       13×10.2905×99+905       (
1
2
-
1
3
+
1
4
)÷
1
24
16
5
÷〔(
5
3
+
1
5
)×
15
7
905×99+905       (
1
2
-
1
3
+
1
4
)÷
1
24
1
2
-
1
3
+
1
4
)÷
1
24
1
2
1122
1
3
+
1
4
)÷
1
24
1
3
1133
1
4
)÷
1
24
1
4
1144
1
24
1
24
112424
16
5
÷〔(
5
3
+
1
5
)×
15
7
16
5
÷〔(
5
3
+
1
5
)×
15
7
16
5
161655
5
3
+
1
5
)×
15
7
5
3
5533
1
5
)×
15
7
1
5
1155
15
7
15
7
151577
▼优质解答
答案和解析
(1)9.1-0.64-0.36
=9.1-(0.64+0.36)
=9.1-1
=8.1;

(2)4×0.8×2.5×12.5
=(4×2.5)×(0.8×12.5)
=10×10
=100;

(3)13×10.2
=13×(10+0.2)
=13×10+13×0.2
=130+2.6
=132.6;

(4)905×99+905
=905×(99+1)
=905×100
=90500;

(5)(
1
2
-
1
3
+
1
4
)÷
1
24

=(
1
2
-
1
3
+
1
4
)×24
=
1
2
×24-
1
3
×24+
1
4
×24
=12-8+6
=4+6
=10;

(6)
16
5
÷[(
5
3
+
1
5
)×
15
7
]
=
16
5
÷[
28
15
×
15
7
]
=
16
5
÷4
=
4
5
1
2
111222-
1
3
+
1
4
)÷
1
24

=(
1
2
-
1
3
+
1
4
)×24
=
1
2
×24-
1
3
×24+
1
4
×24
=12-8+6
=4+6
=10;

(6)
16
5
÷[(
5
3
+
1
5
)×
15
7
]
=
16
5
÷[
28
15
×
15
7
]
=
16
5
÷4
=
4
5
1
3
111333+
1
4
)÷
1
24

=(
1
2
-
1
3
+
1
4
)×24
=
1
2
×24-
1
3
×24+
1
4
×24
=12-8+6
=4+6
=10;

(6)
16
5
÷[(
5
3
+
1
5
)×
15
7
]
=
16
5
÷[
28
15
×
15
7
]
=
16
5
÷4
=
4
5
1
4
111444)÷
1
24

=(
1
2
-
1
3
+
1
4
)×24
=
1
2
×24-
1
3
×24+
1
4
×24
=12-8+6
=4+6
=10;

(6)
16
5
÷[(
5
3
+
1
5
)×
15
7
]
=
16
5
÷[
28
15
×
15
7
]
=
16
5
÷4
=
4
5
1
24
111242424
=(
1
2
-
1
3
+
1
4
)×24
=
1
2
×24-
1
3
×24+
1
4
×24
=12-8+6
=4+6
=10;

(6)
16
5
÷[(
5
3
+
1
5
)×
15
7
]
=
16
5
÷[
28
15
×
15
7
]
=
16
5
÷4
=
4
5
1
2
111222-
1
3
+
1
4
)×24
=
1
2
×24-
1
3
×24+
1
4
×24
=12-8+6
=4+6
=10;

(6)
16
5
÷[(
5
3
+
1
5
)×
15
7
]
=
16
5
÷[
28
15
×
15
7
]
=
16
5
÷4
=
4
5
1
3
111333+
1
4
)×24
=
1
2
×24-
1
3
×24+
1
4
×24
=12-8+6
=4+6
=10;

(6)
16
5
÷[(
5
3
+
1
5
)×
15
7
]
=
16
5
÷[
28
15
×
15
7
]
=
16
5
÷4
=
4
5
1
4
111444)×24
=
1
2
×24-
1
3
×24+
1
4
×24
=12-8+6
=4+6
=10;

(6)
16
5
÷[(
5
3
+
1
5
)×
15
7
]
=
16
5
÷[
28
15
×
15
7
]
=
16
5
÷4
=
4
5
1
2
111222×24-
1
3
×24+
1
4
×24
=12-8+6
=4+6
=10;

(6)
16
5
÷[(
5
3
+
1
5
)×
15
7
]
=
16
5
÷[
28
15
×
15
7
]
=
16
5
÷4
=
4
5
1
3
111333×24+
1
4
×24
=12-8+6
=4+6
=10;

(6)
16
5
÷[(
5
3
+
1
5
)×
15
7
]
=
16
5
÷[
28
15
×
15
7
]
=
16
5
÷4
=
4
5
1
4
111444×24
=12-8+6
=4+6
=10;

(6)
16
5
÷[(
5
3
+
1
5
)×
15
7
]
=
16
5
÷[
28
15
×
15
7
]
=
16
5
÷4
=
4
5
16
5
161616555÷[(
5
3
+
1
5
)×
15
7
]
=
16
5
÷[
28
15
×
15
7
]
=
16
5
÷4
=
4
5
5
3
555333+
1
5
)×
15
7
]
=
16
5
÷[
28
15
×
15
7
]
=
16
5
÷4
=
4
5
1
5
111555)×
15
7
]
=
16
5
÷[
28
15
×
15
7
]
=
16
5
÷4
=
4
5
15
7
151515777]
=
16
5
÷[
28
15
×
15
7
]
=
16
5
÷4
=
4
5
16
5
161616555÷[
28
15
×
15
7
]
=
16
5
÷4
=
4
5
28
15
282828151515×
15
7
]
=
16
5
÷4
=
4
5
15
7
151515777]
=
16
5
÷4
=
4
5
16
5
161616555÷4
=
4
5
4
5
444555.