题目内容

直接写得数
5
9
+
1
9
=
7-
3
4
=
1
1
5
+0.8=
6
5
-
3
5
=
5
4
+
1
4
=
2.75+7.25=0.36÷0.1=7.36×0.01=0.25×40=
1
2
-
1
4
=
5
9
+
1
9
=
2
3
;7-
3
4
=6
1
4
; 1
1
5
+0.8=0.4;
6
5
-
3
5
=
3
5
5
4
+
1
4
=
3
2

2.75+7.25=10;0.36÷0.1=3.6;7.36×0.01=0.0736;0.25×40=10;
1
2
-
1
4
=
1
4
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