Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	410	+		=	726
2.	895	+		=	1.203
3.	957	+		=	1.635
4.	995	+		=	1.544
5.	343	+		=	630
6.	991	+		=	1.915
7.	966	+		=	1.780
8.	864	+		=	1.315
9.	992	+		=	1.542
10.	913	+		=	1.815

Oefening 2
1.	925	+		=	1.177
2.	347	+		=	609
3.	739	+		=	1.090
4.	789	+		=	1.275
5.	723	+		=	1.220
6.	490	+		=	753
7.	789	+		=	1.322
8.	931	+		=	1.434
9.	920	+		=	1.184
10.	878	+		=	1.434

Oefening 3
1.	512	+		=	726
2.	701	+		=	1.047
3.	794	+		=	1.410
4.	809	+		=	1.298
5.	567	+		=	944
6.	566	+		=	867
7.	874	+		=	1.097
8.	796	+		=	1.361
9.	760	+		=	1.145
10.	712	+		=	931

Oefening 4
1.	559	+		=	788
2.	446	+		=	805
3.	618	+		=	882
4.	967	+		=	1.475
5.	859	+		=	1.412
6.	668	+		=	916
7.	787	+		=	1.120
8.	953	+		=	1.331
9.	886	+		=	1.145
10.	300	+		=	532

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	410	+	316	=	726
2.	895	+	308	=	1.203
3.	957	+	678	=	1.635
4.	995	+	549	=	1.544
5.	343	+	287	=	630
6.	991	+	924	=	1.915
7.	966	+	814	=	1.780
8.	864	+	451	=	1.315
9.	992	+	550	=	1.542
10.	913	+	902	=	1.815

Oefening 2
1.	925	+	252	=	1.177
2.	347	+	262	=	609
3.	739	+	351	=	1.090
4.	789	+	486	=	1.275
5.	723	+	497	=	1.220
6.	490	+	263	=	753
7.	789	+	533	=	1.322
8.	931	+	503	=	1.434
9.	920	+	264	=	1.184
10.	878	+	556	=	1.434

Oefening 3
1.	512	+	214	=	726
2.	701	+	346	=	1.047
3.	794	+	616	=	1.410
4.	809	+	489	=	1.298
5.	567	+	377	=	944
6.	566	+	301	=	867
7.	874	+	223	=	1.097
8.	796	+	565	=	1.361
9.	760	+	385	=	1.145
10.	712	+	219	=	931

Oefening 4
1.	559	+	229	=	788
2.	446	+	359	=	805
3.	618	+	264	=	882
4.	967	+	508	=	1.475
5.	859	+	553	=	1.412
6.	668	+	248	=	916
7.	787	+	333	=	1.120
8.	953	+	378	=	1.331
9.	886	+	259	=	1.145
10.	300	+	232	=	532