问题 解答题
直接写得数.
7.8-5.8=______ 3.5+6.5=______ 6.3÷0.1=______ 91-54=______
910÷70=______
1
2
-
1
4
=______
5
6
×
3
5
=______
1
3
+
1
9
=______
1
6
=______
35×20%=______.
答案

7.8-5.8=2;3.5+6.5=10; 6.3÷0.1=63; 91-54=37;
910÷70=13;
1
2
-
1
4
=0.25;
5
6
×
3
5
=0.5;
1
3
+
1
9
=
4
9
1
6
=36;
35×20%=7.
故答案依次为:2,10,63,37,13,0.25,0.5,
4
9
,36,7.

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