题目内容

(38－29)×3=　　6×9＋28==　　60－63÷7=

答案：27;82;51
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快速计算．
2
9
×3=
3
4
×12=
5
18
×6=		 3×
5
6
=		 4×
3
10
=
20×
3
10
=		 4×
7
12
=		 3×
4
15
=		 100×
1
25
=		 50×
7
10
=
7
11
×33=		 24×
8
15
=		 35×
3
28
=		 10×
3
5
=		 12×
1
6
=
7×
1
14
=
2
5
×200=		 0×
4
11
=
11
48
×36=
21
25
×15=
4×
2
11
=		 26×
2
13
=		 4
1
2
×1=
3
4
×
3
4
=
3
4
×
1
2
=
3
8
×
5
6
=
直接写出得数．
2
9
×3=		 5×
3
10
=
4
5
×
3
8
=		 1
1
3
×
3
4
=
7
12
+
5
6
=
9
14
×
14
15
×
5
9
=		 0×
7
18
=
7
9
×
1
7
=
4
9
×1
1
2
=		 17-7
4
8
=
14×7     2.8-0.4     1.2×0.5    0.12÷4    
0.22×0.2     0.15÷0.3   43+15     2.2-1.5    
0.46+0.6    2-1.7     4.1+0.04     3.5-3   
20+160     210÷30     30×20    600÷20    
21×40    110-60    44×25     201×14    
1
4
-
1
5
3
5
+
3
4
5
9
÷
5
7
2
3
×
1
2
5
8
÷
3
8
 5×
2
9
×20%    		 50%+
1
3
+
1
6
 5-
9
16
×8    
6
7
÷
3
5
×7    
2
9
×
4
9
×9．

(38－29)×3=　　6×9＋28==　　60－63÷7=

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