问题 解答题
直接写出得数
500-197=15÷
3
4
=
5
7
+
2
7
=
21
4
×
4
7
=
0.02×1000=
7.2÷100=4×12.5%=0.84÷0.7=
3
5
-0.4
=
3600÷90=
答案

500-197=303,15÷
3
4
=20,
5
7
+
2
7
=1,
21
4
×
4
7
=3,
0.02×1000=20,
7.2÷100=0.072,4×12.5%=0.5,0.84÷0.7=1.2,
3
5
-0.4
=0.2,
3600÷90=40.

单项选择题
单项选择题