问题 解答题
计算,能简算的要简算.
①36.25×101-36.25
14
27
-(
7
16
-
13
27
)+
9
16
③36×
5
9
+36×
4
9
④0.75-
5
12
+
1
4
7
15
-(
7
15
+
2
3
⑥3
3
8
+0.6+0.625+
2
5
答案

①36.25×101-36.25,

=(101-1)×36.25,

=100×36.25,

=3625;

14
27
-(
7
16
-
13
27
)+
9
16

=

14
27
-
7
16
+
13
27
+
9
16

=(

14
27
+
13
27
)+(
9
16
-
7
16
),

=1+

1
8

=1

1
8

③36×

5
9
+36×
4
9

=(

5
9
+
4
9
)×36,

=1×36,

=36;

④0.75-

5
12
+
1
4

=0.75+

1
4
-
5
12

=1-

5
12

=

7
12

7
15
-(
7
15
+
2
3
),

=

7
15
-
7
15
-
2
3

=0-

2
3

=-

2
3

⑥3

3
8
+0.6+0.625+
2
5

=(3

3
8
+0.625)+(0.6+
2
5
),

=4+1,

=5.

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