问题 解答题
直接写得数.
728-299=

3.6×25%=

0.25×4÷0.25×4=

0.23=

6
7
=
1
4
-
1
5
=
3-
6
7
=
1-
5
8
+
3
8
=
8-1.3-1.7=0.13+
7
8
+0.87=
答案

728-299=429,

3.6×25%=0.9,

0.25×4÷0.25×4=16,

0.23=0.008,

6
7
=7,
1
4
-
1
5
=
1
20
3-
6
7
=2
1
7
1-
5
8
+
3
8
=
3
4
8-1.3-1.7=5,0.13+
7
8
+0.87=1
7
8

单项选择题
单项选择题