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试题篮 ( 0 )
难度: 0.44
计算：
(1)
3
5
+
1
4

(2)2
1
4
-
2
3

(3)4
5
6
×
6
7

(4)7÷3
1
4
．
难度: 0.61
直接写出得数．
1
4
+
1
4
=
1
7
×
14
15
=
7
8
-
3
8
=
2
7
÷7=
1
2
÷
1
3
=
3
4
×
2
5
×
4
3
=
8×
3
8
+8×
1
8
=		55×
1
11
=
1
2
×
1
3
÷
1
2
=		0×
7
12
+
1
8
=
难度: 0.45
计算：2
5
6
+3
2
7
-1
2
3
．
难度: 0.61
1
3
+
5
9
=
5
8
-
3
16
=
1
2
×
4
7
=
1
4
+
1
3
=		8-
5
6
=
9×
2
3
=
5
12
×
3
4
=
2
7
×4=
4
21
×
7
8
=
5
9
-
1
3
=
难度: 0.2
有两桶油，从第一桶取出2
5
6
千克倒入第二桶后，两桶油各重10
3
4
千克，原来两桶油各重多少千克？
难度: 0.13
3
8
+
1
4
=		6÷
3
5
=
3
8
×0.25=
1
5
÷
1
3
=
1
4
×
1
4
=		9-
1
5
=
14
23
÷42=		1÷
1
5
=
难度: 0.93
3
5
×2◯
3
5
+
3
5
5
6
+
5
6
◯
5
6
×
5
6
4
7
×
2
3
◯
2
3
4
5
×8◯8
7
9
×
2
7
◯
7
9
1-
5
9
◯1×
5
9
．
难度: 0.08
直接写出得数．
17×
3
51
=
1
3
+
5
12
=
6
13
×52=		1÷
1
4
=
3-
3
4
=
9
13
÷3=		0.32=20×5.5=
难度: 0.97
口算．
1
3
-
1
4
=		42÷10%=1-0.5=48×12.5%=
9×
1
9
÷9×
1
9
=		(
1
4
-
1
5
)×20=		7.2÷0.08=5÷
5
7
-
5
7
÷5=
难度: 0.96
比10吨少
1
4
吨是______．36比______少
1
4
．