题目内容

计算:(能简便的就用简便方法计算)
(1)(
7
8
-
5
16
)×(
5
9
+
2
3

(2)95.6×18-95
3
5
×8
(3)(
9
2
-0.005×700)÷
1
2

(4)[2-(
2
3
-0.5)÷
5
12
3
8
(1)(
7
8
-
5
16
)×(
5
9
+
2
3

=(
14
16
-
5
16
)×(
5
9
+
6
9
),
=
9
16
×
11
9

=
11
16


(2)95.6×18-95
3
5
×8
=95.6×18-95.6×8,
=(18-8)×95.6,
=10×95.6,
=956;

(3)(
9
2
-0.005×700)÷
1
2

=(4.5-3.5)×2,
=1×2,
=2;

(4)[2-(
2
3
-0.5)÷
5
12
3
8

=[2-(
2
3
-
1
2
)×
12
5
3
8

=[2-(
4
6
-
3
6
)×
12
5
3
8

=[2-
1
6
×
12
5
3
8

=[2-
2
5
3
8

=
8
5
×
3
8

=
3
5
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