问题 解答题
650+350=7000-320=1-
1
3
=
63÷8=660÷3=
600×7=
1
6
+
4
6
=
34÷7=120×4=270+90=
7
8
-
3
8
=
6×6+5=740-700=3200÷8=
3
9
+
6
9
=
答案

650+350=1000,7000-320=6680,1-
1
3
=
2
3
63÷8=7…7,660÷3=220,
600×7=4200,
1
6
+
4
6
=
5
6
34÷7=4…6,120×4=480,270+90=360,
7
8
-
3
8
=
5
8
6×6+5=41,740-700=10,3200÷8=400,
3
9
+
6
9
=1.

单项选择题
单项选择题