问题
解答题
5.72-0.68-1.32 256+99×256
2210÷﹙29+36﹚×35. |
答案
(1)5.72-0.68-1.32
=5.72-(0.68+1.32),
=5.72-2,
=3.72;
(2)256+99×256
=256×(99+1),
=256×100,
=25600;
(3)
+1 10
+53 100 7 100
=
+(+1 10
+53 100
),7 100
=
+1 10
,6 10
=
;7 10
(4)2210÷﹙29+36﹚×35
=2210÷65×35,
=34×35,
=1190.