怎样算简便就怎样算.35× 4 9 - 4 9 ×10+65÷ 9 4 &n...

2025-06-20 18:45:58
推荐回答(1个)
回答1:

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