问题 解答题
计算
(1)10
1
8
+5
1
2
-(1
1
2
+
1
8

(2)1375+480÷16×25.
答案

(1)10

1
8
+5
1
2
-(1
1
2
+
1
8
),

=10

1
8
+5
1
2
-1
1
2
-
1
8

=(10

1
8
-
1
8
)+(5
1
2
-1
1
2
),

=10+4,

=14;

(2)1375+480÷16×25,

=1375+30×25,

=1375+750,

=2125.

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