问题 填空题
计算:
1
2
+
1
2
=______;
1-
1
3
=______;
2
3
×
3
4
=______;
3
5
=______;
2+2
1
3
=______;
0.5-
1
3
=______;
1
4
=______;
0÷4
2
3
=______.
答案

1
2
+
1
2
=1
1-
1
3
=
2
3
2
3
×
3
4
=
1
2
3
5
=
5
3
2+2
1
3
=4
1
3
0.5-
1
3
=
1
6
1
4
=1;
0÷4
2
3
=0.
故答案为:1,
2
3
1
2
5
3
,4
1
3
1
6
,1,0.

单项选择题 共用题干题
单项选择题