问题 解答题
计算,能简算的要简算.
2004+75×54÷45       
(0.125×8-0.5)×4
32%×76.4+1.36×3.2       
5
7
×
7
24
+
1
5
÷
4
5
7
8
-
5
16
)×(
5
9
+
2
3
)    
1110÷[56×(
3
7
-
3
8
)].
答案

(1)2004+75×54÷45,

=2004+4050÷45,

=2004+90,

=2094;

(2)(0.125×8-0.5)×4,

=(1-0.5)×4,

=0.5×4,

=2;

(3)32%×76.4+1.36×3.2,

=32%×76.4+13.6×0.32 

=0.32×(76.4+13.6),

=0.32×90,

=28.8;

(4)

5
7
×
7
24
+
1
5
÷
4
5

=

5
24
+
1
4

=

11
24

(5)(

7
8
-
5
16
)×(
5
9
+
2
3
),

=

9
16
×
11
9

=

11
16

(6)1110÷[56×(

3
7
-
3
8
)],

=1110÷[56×

3
7
-56×
3
8
],

=1110÷[24-21],

=1110÷3,

=370.

单项选择题
填空题