问题 解答题
2008-619=2.4×30=6300÷30=8.18+2.92=
2
9
×
3
8
=
1
2
÷
5
6
=
1
6
+
1
9
=
2-
2
7
=
1-
4
5
+
1
5
=
7
12
÷7×12
=
答案

(1)2008-619=1389(2)2.4×30=72(3)6300÷30=210(4)8.18+2.92=11(5)
2
9
×
3
8
=
1
12
(6)
1
2
÷
5
6
=
3
5
(7)
1
6
+
1
9
=
5
18
(8)2-
2
7
=1
5
7
(9)1-
4
5
+
1
5
=
2
5
(10)
7
12
÷7×12
=1

单项选择题 A1/A2型题
单项选择题