1. 直接写出得数。
8.6+11.3= 10+0.16= 0.25+0.205=
0.3+4.5= 6.29-3= 35.62-15.6=
1.51-1.1= 1+0.99= 2.15+0.7=
7.4+2.4= 6.6+2.1= 4.7-4.4=
5.8-3.8= 6.6-6= 15+3.25=
1.5-1.2= 8.6-2.3= 5.3+3.6=
8.6+11.3= 10+0.16= 0.25+0.205=
0.3+4.5= 6.29-3= 35.62-15.6=
1.51-1.1= 1+0.99= 2.15+0.7=
7.4+2.4= 6.6+2.1= 4.7-4.4=
5.8-3.8= 6.6-6= 15+3.25=
1.5-1.2= 8.6-2.3= 5.3+3.6=
答案
8.6+11.3=19.9
10+0.16=10.16
0.25+0.205=0.455
0.3+4.5=4.8
6.29-3=3.29
35.62-15.6=20.02
1.51-1.1=0.41
1+0.99=1.99
2.15+0.7=2.85
7.4+2.4=9.8
6.6+2.1=8.7
4.7-4.4=0.3
5.8-3.8=2
6.6-6=0.6
15+3.25=18.25
1.5-1.2=0.3
8.6-2.3=6.3
5.3+3.6=8.9
10+0.16=10.16
0.25+0.205=0.455
0.3+4.5=4.8
6.29-3=3.29
35.62-15.6=20.02
1.51-1.1=0.41
1+0.99=1.99
2.15+0.7=2.85
7.4+2.4=9.8
6.6+2.1=8.7
4.7-4.4=0.3
5.8-3.8=2
6.6-6=0.6
15+3.25=18.25
1.5-1.2=0.3
8.6-2.3=6.3
5.3+3.6=8.9
2. 列竖式计算。
3.44+0.54= 8.67-2.65=
27.07+2.3= 25.83-20.5=
37.5-17.4= 54+32.85=
4.75+5.1= 54.85-0.32=
3.44+0.54= 8.67-2.65=
27.07+2.3= 25.83-20.5=
37.5-17.4= 54+32.85=
4.75+5.1= 54.85-0.32=
答案
3.44
+ 0.54
------
3.98
8.67
2.65
------
6.02
27.07
+ 2.30
-------
29.37
25.83
-20.50
-------
5.33
37.5
-17.4
------
20.1
54.00
+32.85
-------
86.85
4.75
+ 5.10
------
9.85
54.85
0.32
-------
54.53
+ 0.54
------
3.98
8.67
2.65
------
6.02
27.07
+ 2.30
-------
29.37
25.83
-20.50
-------
5.33
37.5
-17.4
------
20.1
54.00
+32.85
-------
86.85
4.75
+ 5.10
------
9.85
54.85
0.32
-------
54.53
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