问题 解答题
直接写出得数.
14÷35=
1
2
+
2
5
=
0.77+0.33=
4
5
×4+4×
1
4
=
5
7
-
5
7
×0=
5
7
×
14
15
=
2
3
3
4
=
a-
1
3
3
4
=
答案

14÷35=0.4;
1
2
+
2
5
=0.9;
0.77+0.33=1.1;
4
5
×4+4×
1
4
=4.2;
5
7
-
5
7
×0=
5
7
5
7
×
14
15
=
2
3
2
3
3
4
=
8
9
a-
1
3
3
4
=0.75a.
故答案依次为:0.4,0.9,1.1,4.2,
5
7
2
3
8
9
;0.75a.

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