问题
解答题
计算 (1)10
(2)1375+480÷16×25. |
答案
(1)10
+51 8
-(11 2
+1 2
),1 8
=10
+51 8
-11 2
-1 2
,1 8
=(10
-1 8
)+(51 8
-11 2
),1 2
=10+4,
=14;
(2)1375+480÷16×25,
=1375+30×25,
=1375+750,
=2125.
计算 (1)10
(2)1375+480÷16×25. |
(1)10
+51 8
-(11 2
+1 2
),1 8
=10
+51 8
-11 2
-1 2
,1 8
=(10
-1 8
)+(51 8
-11 2
),1 2
=10+4,
=14;
(2)1375+480÷16×25,
=1375+30×25,
=1375+750,
=2125.