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计算(1)56-(0.375×45+1÷3.75÷1.6)÷0.4(2)(7518-6511)÷[21415+(4-21425)÷1.35].

题目详情
计算
(1)
5
6
-(0.375×45+1÷3.75÷1.6)÷0.4
(2)(7
5
18
-6
5
11
)÷[2
14
15
+(4-2
14
25
)÷1.35].
▼优质解答
答案和解析
(1)
5
6
-(0.375×45+1÷3.75÷1.6)÷0.4,
=
5
6
-(16
7
8
+
1
6
)÷0.4,
=
5
6
-(16
7
8
+
1
6
)÷0.4,
=
5
6
-19
1
24
÷
2
5

=-
2025
48


(2)(7
5
18
-6
5
11
)÷[2
14
15
+(4-2
14
25
)÷1.35],
=
163
198
÷[2
14
15
+1
11
25
÷1.35],
=
163
198
÷[2
14
15
+
16
15
],
=
163
198
÷4,
=
163
792