问题 解答题
口算.
1
2
+
1
3
=

6
7
÷3=

6
7
×
5
9
=

8×1.25=
1.4-0.6=14÷35=6.75+25%=0.9+99×0.9=
答案

1
2
+
1
3
=
5
6

6
7
÷3=
2
7

6
7
×
5
9
=
10
21

8×1.25=10,

1.4-0.6=0.8,14÷35=
2
5
6.75+25%=7,0.9+99×0.9=90.
故答案为:
5
6
2
7
10
21
,10,0.8,
2
5
,7,90.

单项选择题 A1型题
单项选择题 A1型题