问题 解答题
77-53=24+28=400×8=3200-700=
52+19=97-43=56÷7=320+300=
34+56=600×8=34+8=700+900=
45+37=3000×4=92-6=47+35=
4
7
+
2
7
=
5
6
-
1
6
=
5
6
+
1
6
=
1-
2
5
=
答案

77-53=24,24+28=52,400×8=3200,3200-700=2500,
52+19=71,97-43=54,56÷7=8,320+300=620,
34+56=90,600×8=4800,34+8=42,700+900=1600,
45+37=82,3000×4=12000,92-6=86,47+35=82,
4
7
+
2
7
=
6
7
5
6
-
1
6
=
2
3
5
6
+
1
6
=1,
1-
2
5
=0.6.

单项选择题 A1型题
问答题 简答题