问题 解答题
直接写出得数.
138+17=
83-57=4708-999=402×5=20×500=
320÷80=15.7+3=10.9+1.09=1-0.09=0.9-0.26=
4×3.14=3.25×4=6.4÷0.8=0.48÷0.03=
1
2
+
1
3
=
4
5
+
1
2
=
3
4
×4=
3
16
×
4
9
=
24÷
3
4
=
3
5
+
3
5
÷
3
5
+
3
5
=
答案

138+17=155;83-57=26;4708-999=3709;402×5=2010;20×500=10000;
320÷80=4;15.7+3=18.7;10.9+1.09=11.99;1-0.09=0.91;0.9-0.26=0.64;
4×3.14=12.56;3.25×4=13;6.4÷0.8=8;0.48÷0.03=16;
1
2
+
1
3
=
5
6
4
5
+
1
2
=1.3;
3
4
×4=3;
3
16
×
4
9
=
1
12
24÷
3
4
=32;
3
5
+
3
5
÷
3
5
+
3
5
=2.2.

单项选择题
单项选择题