问题 解答题
灵活计算下面各题
(1)25×0.36×4
(2)36÷[(
5
6
-
1
3
)×4]
(3)
1
8
+
5
9
+
7
8
+
4
9

(4)18×
2
3
-3÷
3
2
答案

(1)25×0.36×4,

=25×4×0.36,

=100×0.36,

=36;

(2)36÷[(

5
6
-
1
3
)×4],

=36÷[

1
2
×4],

=36÷2,

=18;

(3)

1
8
+
5
9
+
7
8
+
4
9

=(

1
8
+
7
8
)+(
5
9
+
4
9
),

=1+1,

=2;

(4)18×

2
3
-3÷
3
2

=12-3×

2
3

=12-2,

=10.

单项选择题
单项选择题