问题 解答题
怎样算简便就怎样算.
35×
4
9
-
4
9
×10+65÷
9
4
        
1
6
+
1
5
)×6×5
[(25%-
1
12
)×
3
16
]÷0.375         
3
4
÷
9
10
-
5
14
×
7
15
答案

①35×

4
9
-
4
9
×10+65÷
9
4

=

4
9
×(35-10)+65×
4
9

=

4
9
×25+65×
4
9

=

4
9
×(25+65),

=40;

②(

1
6
+
1
5
)×6×5,

=

1
6
×6×5+
1
5
×6×5,

=5+6,

=11;

③[(25%-

1
12
)×
3
16
]÷0.375,

=[(

1
4
-
1
12
)×
3
16
3
8

=[

1
6
×
3
16
3
8

=

1
32
×
8
3

=

1
12

3
4
÷
9
10
-
5
14
×
7
15

=

3
4
×
10
9
-
5
14
×
7
15

=

5
6
-
1
6

=

2
3

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