问题 解答题
直接写出得数.
400÷20=120×4=0.1+7=4×0.25=42×100=10÷0.1=
12.5×8=3.4+1.6=18×
5
6
=
1
3
-
1
6
=
12÷
3
4
=
3
5
+
7
5
=
答案

400÷20=20,120×4=480,0.1+7=7.1,4×0.25=1,42×100=4200,10÷0.1=100,
12.5×8=100,3.4+1.6=5,18×
5
6
=15,
1
3
-
1
6
=
1
6
12÷
3
4
=16,
3
5
+
7
5
=2.

选择题
单项选择题 A1/A2型题