题目内容

能简算的要简算.
48×(
7
12
+2)÷
2
3
23-
8
9
×
3
4
÷
1
27
5
9
×7+
5
9
×11
5÷[(
2
3
+
1
5
)×
1
13
]
4
25
×23+
4
25
×67
1
2
-
1
6
)×
3
5
÷
1
5
(1)48×(
7
12
+2)÷
2
3

=(48×
7
12
+48×2)÷
2
3

=(28+96)÷
2
3

=124÷
2
3

=186;

(2)23-
8
9
×
3
4
÷
1
27

=23-
8
9
×
3
4
×27
=23-18
=5;

(3)
5
9
×7+
5
9
×11
=
5
9
×(11+7)
=
5
9
×18
=10;

(4)5÷[(
2
3
+
1
5
)×
1
13
]
=5÷[
13
15
×
1
13
]
=5÷
1
15

=75;

(5)
4
25
×23+
4
25
×67
=
4
25
×(67+23)
=
4
25
×90
=14.4;

(6)(
1
2
-
1
6
)×
3
5
÷
1
5

=
1
3
×
3
5
×5
=1.
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