题目内容

直接写出得数.
1
9
-
1
10
=
3
4
÷
4
3
=
2
3
+
5
12
=
1
12
-
1
12
×1=
4
5
×25%=
2.35+76.5=3.25-(0.25+
7
23
)=
8
21
+
1
7
)×7=
1
9
-
1
10
=
1
90
3
4
÷
4
3
=
9
16
2
3
+
5
12
=
13
12
1
12
-
1
12
×1=11
11
12
4
5
×25%=0.2,
2.35+76.5=78.85,3.25-(0.25+
7
23
)=2
16
23
8
21
+
1
7
)×7=
11
3
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