问题 解答题
1
5
=
16
9
×
27
4
=
12+2.28=
3
4
×
3
4
=
9
22
÷
18
11
=
8
21
×
7
16
=
7
10
+
3
10
=
100-46=0.12=
5
7
×0
=
13÷65=
1
2
-
1
3
=
1.2÷0.6=5÷10=4×25=1.6+8=
3
4
+
1
8
=
21÷9=
3
7
×
14
15
=
0.25+0.16=
9
10
=
答案

1
5
=5;
16
9
×
27
4
=12;
12+2.28=14.28;
3
4
×
3
4
=
9
16
9
22
÷
18
11
=
1
4
8
21
×
7
16
=
1
6
7
10
+
3
10
=1;
100-46=54;0.12=0.01;
5
7
×0
=0;
13÷65=0.2;

1
2
-
1
3
=
1
6
1.2÷0.6=2;5÷10=0.5;4×25=100;1.6+8=9.6;
3
4
+
1
8
=
7
8
21÷9=2
1
3
3
7
×
14
15
=
2
5
0.25+0.16=0.41;
9
10
=1
1
9

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