题目内容

比
1
4
吨多
1
2
吨是______吨．
1
4
+
1
2
=
3
4
（吨）．
答：比
1
4
吨多
1
2
吨是
3
4
吨．
故答案为：
3
4
．
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相关题目
5-2
1
3
+
2
3
=		（12.5+
3
4
）×8=		19-3
4
9
-4
5
9
=		8+0.1÷0.1-8=
21-2.897=0.25×0.12=3.6÷25%×4=
1
12
÷(
1
2
+
1
3
)=
直接写出得数．
1
3
+
1
3
=		1-
2
5
=
5
8
-
3
8
=
1
7
+
3
7
+
2
7
=
1-
5
6
=
3
8
+
5
8
=
2
9
+
5
9
=		1-
5
12
-
7
12
=
3
4
-
1
2
=
1
6
+
2
3
=
1
2
-
1
3
=
3
8
+
3
8
-
5
8
=
直接写出得数
1
8
+
3
8
=
1
4
-
1
5
=		0÷6
1
8
=		39×
3
13
=		15-
5
6
=
1÷
9
4
=		21÷
7
8
=		（
1
2
+
1
3
）×6=
9
11
×
1
2
÷
9
11
×
1
2
=		8×
7
8
-
7
8
=
1
8
+
3
8
=
3
10
+
9
10
=
7
16
-
3
16
=		1-
5
18
=
19
12
-1=
17
20
+
7
20
=
5
6
+（
1
6
+
1
6
）=
17
30
+
23
30
-
7
30
=
1-（
2
9
+
4
9
）=		1-
5
12
+
11
12
=
直接写出得数．
1
3
+
5
6
=
1
8
×4=		0.4÷
2
5
=		0×1
1
3
=
12×
5
6
=		5-
3
5
=		4÷
1
5
=
2
7
÷
2
3
=
在括号里填上合适的数．
______-
3
8
=0
4
5
-______=
1
5

1
3
+
1
()
=
2
3
．
看谁算的又对又快．
1
2
+
1
3
=
2
4
+
1
4
=
5
6
-
2
6
=
2
8
+
1
4
=
2
5
+
3
5
=
3
6
-
1
2
=
10吨减少
2
5
吨是多少吨？列式是（　　）
A．10×
2
5
B．10-10×
2
5
C．10-
2
5

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