题目内容

5
6
×
4
15
=
1.6÷
4
5
=
3
4
-0.75)÷9=
3
4
7
÷3
4
7
=
1÷4
1
3
=
6-3
2
7
-2
5
7
=
3
4
+
5
9
)×36=
(0.375÷
3
8
-1)×4
5
9
=
1
7
×
1
19
×14×19=
1
1
3
÷6=
(1)
5
6
×
4
15
=
2
9


(2)1.6÷
4
5

=1.6×
5
4

=2;

(3)(
3
4
-0.75)÷9,
=0÷9,
=0;

(4)3
4
7
÷3
4
7
=1;

(5)1÷4
1
3

=1×
3
13

=
3
13


(6)6-3
2
7
-2
5
7

=6-(3
2
7
+2
5
7
),
=0;

(7)(
3
4
+
5
9
)×36,
=36×
3
4
+
5
9
×36,
=47;

(8)(0.375÷
3
8
-1)×4
5
9

=(1-1)×4
5
9

=0;

(9)
1
7
×
1
19
×14×19
=(
1
7
×14)×(
1
19
×19),
=2;

(10)1
1
3
÷6,
=
4
3
×
1
6

=
2
9
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