问题 解答题
口算题

2
2
3
÷2
=
11
5
7
-7
=
1
1
5
-0.4
=
10%+0.9=7-7÷8=
7-7÷8=79×99=4÷7+3÷7=6.8×
2
17
=
5
5
13
-
7
9
-
2
9
=
0.625+99×
5
8
=
答案

2
2
3
÷2
=1
1
3
11
5
7
-7
=4
5
7
1
1
5
-0.4
=0.8
10%+0.9=17-7÷8=6
1
8
7-7÷8=6
1
8
79×99=7821                4÷7+3÷7=16.8×
2
17
=0.8
5
5
13
-
7
9
-
2
9
=4
5
13
0.625+99×
5
8
=62.5

单项选择题 A1/A2型题
单项选择题