直接写出得数.117+37=1-611=0.32=1-49+59=718+518=5-34=79-49=0.75+34=-数学

题文

直接写出得数.
11
7
+
3
7
=
1-
6
11
=
0.32=1-
4
9
+
5
9
=
7
18
+
5
18
=
5-
3
4
=
7
9
-
4
9
=
0.75+
3
4
=
题型:解答题  难度:中档

答案

11
7
+
3
7
=2,
1-
6
11
=
5
11
0.32=0.09,1-
4
9
+
5
9
=
10
9
7
18
+
5
18
=
2
3
5-
3
4
=4
1
4
7
9
-
4
9
=
1
3
0.75+
3
4
=1.5.

据专家权威分析,试题“直接写出得数.117+37=1-611=0.32=1-49+59=718+518=5-34=79-49=0..”主要考查你对  分数的加法和减法(异分母)  等考点的理解。关于这些考点的“档案”如下: