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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 9.1-0.64-0.36 4×0.8×2.5×12.5 13×10.2 905×99+905 (
-
+
)÷
÷〔(
+
)×
〕905×99+905 (
-
+
)÷
-
+
)÷
1 1 2 2
+
)÷
1 1 3 3
)÷
1 1 4 4
1 1 24 24
÷〔(
+
)×
〕
÷〔(
+
)×
〕
16 16 5 5
+
)×
〕
5 5 3 3
)×
〕
1 1 5 5
〕
15 15 7 7
9.1-0.64-0.36 | 4×0.8×2.5×12.5 | 13×10.2 | ||||||||||||||||
905×99+905 | (
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9.1-0.64-0.36 | 4×0.8×2.5×12.5 | 13×10.2 | ||||||||||||||||
905×99+905 | (
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▼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)(
-
+
)÷
=(
-
+
)×24
=
×24-
×24+
×24
=12-8+6
=4+6
=10;
(6)
÷[(
+
)×
]
=
÷[
×
]
=
÷4
=
.
1 1 12 2 2-
+
)÷
=(
-
+
)×24
=
×24-
×24+
×24
=12-8+6
=4+6
=10;
(6)
÷[(
+
)×
]
=
÷[
×
]
=
÷4
=
.
1 1 13 3 3+
)÷
=(
-
+
)×24
=
×24-
×24+
×24
=12-8+6
=4+6
=10;
(6)
÷[(
+
)×
]
=
÷[
×
]
=
÷4
=
.
1 1 14 4 4)÷
=(
-
+
)×24
=
×24-
×24+
×24
=12-8+6
=4+6
=10;
(6)
÷[(
+
)×
]
=
÷[
×
]
=
÷4
=
.
1 1 124 24 24
=(
-
+
)×24
=
×24-
×24+
×24
=12-8+6
=4+6
=10;
(6)
÷[(
+
)×
]
=
÷[
×
]
=
÷4
=
.
1 1 12 2 2-
+
)×24
=
×24-
×24+
×24
=12-8+6
=4+6
=10;
(6)
÷[(
+
)×
]
=
÷[
×
]
=
÷4
=
.
1 1 13 3 3+
)×24
=
×24-
×24+
×24
=12-8+6
=4+6
=10;
(6)
÷[(
+
)×
]
=
÷[
×
]
=
÷4
=
.
1 1 14 4 4)×24
=
×24-
×24+
×24
=12-8+6
=4+6
=10;
(6)
÷[(
+
)×
]
=
÷[
×
]
=
÷4
=
.
1 1 12 2 2×24-
×24+
×24
=12-8+6
=4+6
=10;
(6)
÷[(
+
)×
]
=
÷[
×
]
=
÷4
=
.
1 1 13 3 3×24+
×24
=12-8+6
=4+6
=10;
(6)
÷[(
+
)×
]
=
÷[
×
]
=
÷4
=
.
1 1 14 4 4×24
=12-8+6
=4+6
=10;
(6)
÷[(
+
)×
]
=
÷[
×
]
=
÷4
=
.
16 16 165 5 5÷[(
+
)×
]
=
÷[
×
]
=
÷4
=
.
5 5 53 3 3+
)×
]
=
÷[
×
]
=
÷4
=
.
1 1 15 5 5)×
]
=
÷[
×
]
=
÷4
=
.
15 15 157 7 7]
=
÷[
×
]
=
÷4
=
.
16 16 165 5 5÷[
×
]
=
÷4
=
.
28 28 2815 15 15×
]
=
÷4
=
.
15 15 157 7 7]
=
÷4
=
.
16 16 165 5 5÷4
=
.
4 4 45 5 5.
=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 |
=
1 |
2 |
1 |
3 |
1 |
4 |
=12-8+6
=4+6
=10;
(6)
16 |
5 |
5 |
3 |
1 |
5 |
15 |
7 |
=
16 |
5 |
28 |
15 |
15 |
7 |
=
16 |
5 |
=
4 |
5 |
1 |
2 |
1 |
3 |
1 |
4 |
1 |
24 |
=(
1 |
2 |
1 |
3 |
1 |
4 |
=
1 |
2 |
1 |
3 |
1 |
4 |
=12-8+6
=4+6
=10;
(6)
16 |
5 |
5 |
3 |
1 |
5 |
15 |
7 |
=
16 |
5 |
28 |
15 |
15 |
7 |
=
16 |
5 |
=
4 |
5 |
1 |
3 |
1 |
4 |
1 |
24 |
=(
1 |
2 |
1 |
3 |
1 |
4 |
=
1 |
2 |
1 |
3 |
1 |
4 |
=12-8+6
=4+6
=10;
(6)
16 |
5 |
5 |
3 |
1 |
5 |
15 |
7 |
=
16 |
5 |
28 |
15 |
15 |
7 |
=
16 |
5 |
=
4 |
5 |
1 |
4 |
1 |
24 |
=(
1 |
2 |
1 |
3 |
1 |
4 |
=
1 |
2 |
1 |
3 |
1 |
4 |
=12-8+6
=4+6
=10;
(6)
16 |
5 |
5 |
3 |
1 |
5 |
15 |
7 |
=
16 |
5 |
28 |
15 |
15 |
7 |
=
16 |
5 |
=
4 |
5 |
1 |
24 |
=(
1 |
2 |
1 |
3 |
1 |
4 |
=
1 |
2 |
1 |
3 |
1 |
4 |
=12-8+6
=4+6
=10;
(6)
16 |
5 |
5 |
3 |
1 |
5 |
15 |
7 |
=
16 |
5 |
28 |
15 |
15 |
7 |
=
16 |
5 |
=
4 |
5 |
1 |
2 |
1 |
3 |
1 |
4 |
=
1 |
2 |
1 |
3 |
1 |
4 |
=12-8+6
=4+6
=10;
(6)
16 |
5 |
5 |
3 |
1 |
5 |
15 |
7 |
=
16 |
5 |
28 |
15 |
15 |
7 |
=
16 |
5 |
=
4 |
5 |
1 |
3 |
1 |
4 |
=
1 |
2 |
1 |
3 |
1 |
4 |
=12-8+6
=4+6
=10;
(6)
16 |
5 |
5 |
3 |
1 |
5 |
15 |
7 |
=
16 |
5 |
28 |
15 |
15 |
7 |
=
16 |
5 |
=
4 |
5 |
1 |
4 |
=
1 |
2 |
1 |
3 |
1 |
4 |
=12-8+6
=4+6
=10;
(6)
16 |
5 |
5 |
3 |
1 |
5 |
15 |
7 |
=
16 |
5 |
28 |
15 |
15 |
7 |
=
16 |
5 |
=
4 |
5 |
1 |
2 |
1 |
3 |
1 |
4 |
=12-8+6
=4+6
=10;
(6)
16 |
5 |
5 |
3 |
1 |
5 |
15 |
7 |
=
16 |
5 |
28 |
15 |
15 |
7 |
=
16 |
5 |
=
4 |
5 |
1 |
3 |
1 |
4 |
=12-8+6
=4+6
=10;
(6)
16 |
5 |
5 |
3 |
1 |
5 |
15 |
7 |
=
16 |
5 |
28 |
15 |
15 |
7 |
=
16 |
5 |
=
4 |
5 |
1 |
4 |
=12-8+6
=4+6
=10;
(6)
16 |
5 |
5 |
3 |
1 |
5 |
15 |
7 |
=
16 |
5 |
28 |
15 |
15 |
7 |
=
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=
4 |
5 |
16 |
5 |
5 |
3 |
1 |
5 |
15 |
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=
16 |
5 |
28 |
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=
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=
4 |
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3 |
1 |
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15 |
7 |
=
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28 |
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4 |
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1 |
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15 |
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=
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