题目内容

口算．
2
5
+
1
2
=		0.5×0.6÷0.5×0.6=82=0.9+0.01=
4.5-2.8-0.7=
1
4
÷0.75=		1+6÷7=2÷
3
4
=
2
5
+
1
2
=0.9		0.5×0.6÷0.5×0.6=0.3682=640.9+0.01=0.91
4.5-2.8-0.7=1
1
4
÷0.75=
1
3
1+6÷7=1
6
7
2÷
3
4
=
8
3
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相关题目
直接写出得数
5
6
-
1
2
=
7
9
×
3
7
=		3.14×8=
7
9
×
3
7
=
1-40%=
3
8
+3=
14
15
÷7=		52=
直接写得数．
2
9
+
1
3
=		28÷
7
8
=
1
3
-
1
4
=
5
8
×16=		0.3×0.9=0.77+3.3=
1.25×32=75×10%=2.8-1.9=
9+7.2=3.6÷1.8=0.5-0.07=
7
9
-
2
9
=
3
4
+
1
4
=
5
8
-
2
8
=
4
5
-
3
5
=
6
11
+
2
11
=
7
13
-
2
13
=		1-
5
8
=
5
6
-
5
6
=
5
9
-
1
9
=
1
5
+
3
5
=
直接写出得数．
8.1÷0.03=
3
5
+3=
5
16
×
8
15
=
7
9
-
1
3
=
8
9
×
9
24
=		134-18=1.5×4=7.45+8.55=
直接写得数；
2
5
+
1
5
=
5
6
+
1
6
=		1-
1
3
=
1
4
+
3
4
=
1
3
+
1
3
=
5
10
+
4
10
=
2
7
+
2
7
=
8
9
-
4
9
=
比较大小．
1-
2
13
______
1
2
；
1
6
+
2
9
______
2
3
；
3
4
+
1
4
______
1
5
+
4
5
．
看图计算下面各题．
3
6
+
2
6
=
　
3
4
+
1
4
=
水果店运来一批水果，第一天卖出这批水果的
1
9
，还剩______没卖．

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