问题 解答题
直接写出得数.
10-0.1=
1
3
+
2
5
=
1.27+1.73=
1
5
-
1
7
=
1-
3
7
=
9+5÷5+9=6.3×0.5=40×0.25=
答案

10-0.1=9.9,
1
3
+
2
5
=
11
15
1.27+1.73=3,
1
5
-
1
7
=
2
35
1-
3
7
=
4
7
9+5÷5+9=19,6.3×0.5=3.15,40×0.25=10.

判断题
单项选择题