题目内容

直接写出得数
1
50
=
5
7
+
2
7
=
3
5
÷
1
3
=
1
3
÷3=
3
5
×
1
3
=
1
4
-
1
6
=
7
8
÷7=
5
8
÷
2
3
=
3
7
=
4
5
÷8=
3
8
×
2
3
=
5
7
÷
10
21
=
1
2
÷0.5=
3
10
=
2
3
-
1
9
=
19
53
×0=
0.3×
5
6
=
3
5
÷
9
10
=
4
11
÷4=
1
4
+0.5=
分析:根据分数和小数加减乘除的计算方法进行计算即可.
解答:解:
1
50
=50,
5
7
+
2
7
=1,
3
5
÷
1
3
=
9
5
1
3
÷3=
1
9
3
5
×
1
3
=
1
5
1
4
-
1
6
=
1
12
7
8
÷7=
1
8
5
8
÷
2
3
=
15
16
3
7
=
12
7
4
5
÷8=
1
10
3
8
×
2
3
=
1
4
5
7
÷
10
21
=
3
2
1
2
÷0.5=1,
3
10
=
3
2
2
3
-
1
9
=
5
9
19
53
×0=0,
0.3×
5
6
=0.25,
3
5
÷
9
10
=
2
3
4
11
÷4=
1
11
1
4
+0.5=0.75.
点评:口算时,注意运算符号和数据,然后再进一步计算即可.
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