问题 解答题
3
4
×
8
15
=
3
7
20
÷3.35
=
1
2
3
-0.5
=
3
4
+
1
4
×5
=
1.2×
3
12
=
0×1.27=0.05÷
1
4
=
2
1
4
÷
1
4
×4
=
2
1
2
+1.3
=
1
4
5
÷0.3
=
5
7
8
-0.375
=
1.5÷25%+1.5=
答案

3
4
×
8
15
=
2
5
3
7
20
÷3.35
=1
1
2
3
-0.5
=1
1
6
3
4
+
1
4
×5
=2
1.2×
3
12
=0.3
0×1.27=00.05÷
1
4
=0.2
2
1
4
÷
1
4
×4
=36
2
1
2
+1.3
=3.8
1
4
5
÷0.3
=6
5
7
8
-0.375
=5.5
1.5÷25%+1.5=7.5

单项选择题
单项选择题