问题 解答题
直接写出得数.
3
4
÷1×
3
4
=
1
5
-
1
10
=
3.75+2.25=
1
2
+
1
3
=
5
12
×8×
1
15
=
8+7.2-12.3=
3
4
3
7
=
1.8-40%=
答案

3
4
÷1×
3
4
=
9
16

1
5
-
1
10
=
1
10

3.75+2.25=6,

1
2
+
1
3
=
5
6

5
12
×8×
1
15
=
2
9

8+7.2-12.3=2.9,

3
4
3
7
=
7
4

1.8-40%=1.4.

单项选择题
单项选择题