问题 解答题
计算下面各题,能简算要简算
1
4
×
3
8
+
3
4
÷
8
3
+
3
8
1
4
-
1
10
)×
1
3
99×
7
98
(32+
4
7
)÷4
10
9
÷
5
6
×(
5
4
-
7
12
2-
6
7
÷
9
14
-
2
3
答案

(1)

1
4
×
3
8
+
3
4
÷
8
3
+
3
8

=

1
4
×
3
8
+
3
4
×
3
8
+
3
8
×1,

=(

1
4
+
3
4
+1)×
3
8

=2×

3
8

=

3
4

(2)(

1
4
-
1
10
)×
1
3

=

3
20
×
1
3

=

1
20

(3)99×

7
98

=(98+1)×

7
98

=98×

7
98
+1×
7
98

=7+

7
98

=7

7
98

(4)(32+

4
7
)÷4,

=(32+

4
7
)×
1
4

=32×

1
4
+
4
7
×
1
4

=8+

1
7

=8

1
7

(5)

10
9
÷
5
6
×(
5
4
-
7
12
),

=

10
9
÷
5
6
×
2
3

=

4
3
×
2
3

=

8
9

(6)2-

6
7
÷
9
14
-
2
3

=2-

4
3
-
2
3

=2-(

4
3
+
2
3
),

=2-2,

=0.

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