问题 解答题
计算下面各题,能用简便算法的用简便算法.
1740-1632÷16×17
0.36×73-63×0.36
9
10
×
5
3
+
9
10
÷3
[(
3
5
-
1
3
)÷
4
5
7
8
答案

(1)1740-1632÷16×17,

=1740-102×17,

=1740-1734,

=6;

(2)0.36×73-63×0.36,

=(73-63)×0.36,

=10×0.36,

=3.6;

(3)

9
10
×
5
3
+
9
10
÷3,

=

9
10
×
5
3
+
9
10
×
1
3

=

9
10
×(
5
3
+
1
3
),

=

9
10
×2,

=

9
5

(4)[(

3
5
-
1
3
)÷
4
5
7
8

=[(

3
5
-
1
3
)×
5
4
7
8

=[

3
5
×
5
4
-
1
3
×
5
4
7
8

=[

3
4
-
5
12
7
8

=

1
3
×
7
8

=

7
24

单项选择题
单项选择题