问题 解答题
直接写出得数:
24.06+0.4=______;
3
8
-
1
3
=______;
5
6
-
1
5
)×30=______;
3
7
+
3
5
=______;
12.5×32×2.5=______;
1
12
÷6=______;
5-
2
9
+
7
9
=______;
4
5
×25=______;
2.8×25+12×2.5=______;
1
2
+
1
3
-
1
2
+
1
3
=______.
答案

24.06+0.4=24.46;
3
8
-
1
3
=
1
24
5
6
-
1
5
)×30=19;
3
7
+
3
5
=
36
35
12.5×32×2.5=1000;
1
12
÷6=
1
72
5-
2
9
+
7
9
=5
5
9
4
5
×25=20;
2.8×25+12×2.5=100;
1
2
+
1
3
-
1
2
+
1
3
=
2
3
故答案为:24.48,
1
24
,19,
36
35
,1000,
1
72
,5
5
9
,20,100,
2
3

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