问题 解答题
计算下列各题,能简算的要简算.
96×
4
5
-36÷
5
4
+
4
5
×40
4
9
÷[(
1
3
-
1
9
)×2]
3
5
×25%+
3
5
×
3
4
3
4
+
7
9
+
1
4
-
4
9
2
7
×
5
9
+
2
7
÷
9
4
11
12
-
3
7
)-(
4
7
-
7
12
答案

96×

4
5
-36÷
5
4
+
4
5
×40,

=96×

4
5
-36×
4
5
+
4
5
×40,

=(96-36+40)×

4
5

=100×

4
5

=80;

4
9
÷[(
1
3
-
1
9
)×2],

=

4
9
÷[(
3
9
-
1
9
)×2],

=

4
9
÷[
2
9
×
2],

=

4
9
÷
4
9

=1;

3
5
×25%+
3
5
×
3
4

=(25%+

3
4
)×
3
5

=(

1
4
+
3
4
)×
3
5

=1×

3
5

=

3
5

3
4
+
7
9
+
1
4
-
4
9

=(

3
4
+
1
4
)+(
7
9
-
4
9
),

=1+

1
3

=1

1
3

2
7
×
5
9
+
2
7
÷
9
4

=

2
7
×
5
9
+
2
7
×
4
9

=(

5
9
+
4
9
)×
2
7

=1×

2
7

=

2
7

11
12
-
3
7
)-(
4
7
-
7
12
),

=

11
12
-
3
7
-
4
7
+
7
12

=(

11
12
+
7
12
)-(
3
7
+
4
7
),

=

3
2
-1,

=

1
2

单项选择题 A1型题
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