早教吧 育儿知识 作业答案 考试题库 百科 知识分享

心算题52+38=3-2.719=32×4=12÷72=3-13=1÷109=16+1÷6=23×158=313÷2126=0.5÷5%=

题目详情
心算题
52+38=3-2.719=32×4=12÷72=3-
1
3
=
10
9
=
1
6
+1÷6=
2
3
×
15
8
=
3
13
÷
21
26
=
0.5÷5%=
▼优质解答
答案和解析
52+38=903-2.719=0.28132×4=12812÷72=
1
6
3-
1
3
=2
2
3
10
9
=
9
10
1
6
+1÷6=
1
3
2
3
×
15
8
=
5
4
3
13
÷
21
26
=
2
7
0.5÷5%=10