问题 解答题
计算下列各题,能简算的要简算
13
18
×5.16+516%×
5
18
8
9
-
1
3
)÷(
7
18
×
2
3
9
10
×
4
13
×
13
18
47
6
+
39
10
+
13
6
+6.1
4
5
÷(
1
5
+
5
8
×
4
7
1
8
×(0.65+
7
20
)÷
1
7
答案

(1)

13
18
×5.16+516%×
5
18

=

13
18
×5.16+5.16×
5
18

=5.16×(

13
18
+
5
18
),

=5.16×1,

=5.16;

(2)(

8
9
-
1
3
)÷(
7
18
×
2
3
),

=

5
9
÷
7
27

=

15
7

(3)

9
10
×
4
13
×
13
18

=

9
10
×(
4
13
×
13
18
),

=

9
10
×
2
9

=

1
5

(4)

47
6
+
39
10
+
13
6
+6.1,

=(

47
6
+
13
6
)+(6.1+3.9),

=10+10,

=20;

(5)

4
5
÷(
1
5
+
5
8
×
4
7
),

=

4
5
÷(
1
5
+
5
14
),

=

4
5
÷
39
70

=

56
39

(6)

1
8
×(0.65+
7
20
)÷
1
7

=

1
8
×1÷
1
7

=

1
8
×7,

=

7
8

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