早教吧 育儿知识 作业答案 考试题库 百科 知识分享

直接写得数2.4×5=1÷15×5=242.4÷12=23÷10%=15+13=59-511+49=12×(13+34)=16×3÷16×3=1÷0.2÷0.5=502-399=5-57+27=0.9+99×0.9=

题目详情
直接写得数
2.4×5=
1
5
×5=
242.4÷12= 23÷10%=
1
5
+
1
3
=
5
9
-
5
11
+
4
9
=
12×(
1
3
+
3
4
)=
1
6
×3÷
1
6
×3=
1÷0.2÷0.5= 502-399=
5-
5
7
+
2
7
=
0.9+99×0.9=
直接写得数
2.4×5=
1
5
×5=
242.4÷12= 23÷10%=
1
5
+
1
3
=
5
9
-
5
11
+
4
9
=
12×(
1
3
+
3
4
)=
1
6
×3÷
1
6
×3=
1÷0.2÷0.5= 502-399=
5-
5
7
+
2
7
=
0.9+99×0.9=
直接写得数
2.4×5= 1÷
1
5
×5=
242.4÷12= 23÷10%=
1
5
+
1
3
=
直接写得数
2.4×5=
1
5
×5=
1
5
×5=
1
5
1155242.4÷12=23÷10%=
1
5
+
1
3
=
1
5
+
1
3
=
1
5
1155
1
3
=
1
3
1133
5
9
-
5
11
+
4
9
=
12×(
1
3
+
3
4
)=
1
6
×3÷
1
6
×3=
1÷0.2÷0.5= 502-399=
5
9
-
5
11
+
4
9
=
5
9
-
5
11
+
4
9
=
5
9
5599
5
11
+
4
9
=
5
11
551111
4
9
=
4
9
449912×(
1
3
+
3
4
)=
1
3
+
3
4
)=
1
3
1133
3
4
)=
3
4
3344
1
6
×3÷
1
6
×3=
1
6
×3÷
1
6
×3=
1
6
1166
1
6
×3=
1
6
11661÷0.2÷0.5=502-399= 5-
5
7
+
2
7
=
0.9+99×0.9=5-
5
7
+
2
7
=
5
7
+
2
7
=
5
7
5577
2
7
=
2
7
22770.9+99×0.9=
▼优质解答
答案和解析
2.4×5=12,
1
5
×5=25,
242.4÷12=20.2, 23÷10%=230,
1
5
+
1
3
=
8
15
5
9
-
5
11
+
4
9
=
6
11
12×(
1
3
+
3
4
)=13,
1
6
×3÷
1
6
×3=9,
1÷0.2÷0.5=10, 502-399=103,
5-
5
7
+
2
7
=4
4
7
0.9+99×0.9=90.
2.4×5=12, 1÷
1
5
×5=25,
242.4÷12=20.2, 23÷10%=230,
1
5
+
1
3
=
8
15
2.4×5=12,2.4×5=12, 1÷
1
5
×5=25,
1
5
×5=25,
1
5
111555×5=25, 242.4÷12=20.2,242.4÷12=20.2, 23÷10%=230,23÷10%=230,
1
5
+
1
3
=
8
15
1
5
+
1
3
=
8
15
1
5
111555+
1
3
=
8
15
1
3
111333=
8
15
8
15
888151515,
5
9
-
5
11
+
4
9
=
6
11
12×(
1
3
+
3
4
)=13,
1
6
×3÷
1
6
×3=9,
1÷0.2÷0.5=10, 502-399=103,
5
9
-
5
11
+
4
9
=
6
11
5
9
-
5
11
+
4
9
=
6
11
5
9
555999-
5
11
+
4
9
=
6
11
5
11
555111111+
4
9
=
6
11
4
9
444999=
6
11
6
11
666111111, 12×(
1
3
+
3
4
)=13,
12×(
1
3
+
3
4
)=13,
1
3
111333+
3
4
)=13,
3
4
333444)=13,
1
6
×3÷
1
6
×3=9,
1
6
×3÷
1
6
×3=9,
1
6
111666×3÷
1
6
×3=9,
1
6
111666×3=9, 1÷0.2÷0.5=10,1÷0.2÷0.5=10, 502-399=103,502-399=103, 5-
5
7
+
2
7
=4
4
7
0.9+99×0.9=90. 5-
5
7
+
2
7
=4
4
7
5-
5
7
+
2
7
=4
4
7
5
7
555777+
2
7
=4
4
7
2
7
222777=4
4
7
4
7
444777, 0.9+99×0.9=90.0.9+99×0.9=90.