问题 解答题
直接写得数.
1-0.92=
12.12-12=
3
4
÷
3
8
=
12×(
1
3
+
1
4
)
=
2
5
+
1
2
=
2
7
+
5
7
×
1
4
=
2.7+1.63+7.3=0.83×9+0.83=
1.25×
4
5
×8
=
78÷2.5÷4=
答案

1-0.92=0.08,12.12-12=0.12,
3
4
÷
3
8
=2,
12×(
1
3
+
1
4
)
=7,
2
5
+
1
2
=
9
10
2
7
+
5
7
×
1
4
=
13
28
2.7+1.63+7.3=11.63,0.83×9+0.83=8.3,
1.25×
4
5
×8
=8,
78÷2.5÷4=7.8.

单项选择题
单项选择题