Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	297	+		=	548
2.	720	+		=	1.363
3.	559	+		=	935
4.	960	+		=	1.574
5.	472	+		=	825
6.	870	+		=	1.403
7.	720	+		=	1.311
8.	814	+		=	1.360
9.	930	+		=	1.546
10.	858	+		=	1.575

Oefening 2
1.	437	+		=	757
2.	511	+		=	934
3.	987	+		=	1.604
4.	814	+		=	1.427
5.	638	+		=	851
6.	882	+		=	1.147
7.	952	+		=	1.284
8.	701	+		=	948
9.	756	+		=	1.336
10.	403	+		=	800

Oefening 3
1.	901	+		=	1.539
2.	854	+		=	1.121
3.	834	+		=	1.209
4.	541	+		=	856
5.	520	+		=	1.022
6.	617	+		=	1.000
7.	645	+		=	1.252
8.	930	+		=	1.531
9.	743	+		=	1.252
10.	750	+		=	1.210

Oefening 4
1.	667	+		=	1.077
2.	739	+		=	953
3.	936	+		=	1.285
4.	675	+		=	886
5.	487	+		=	939
6.	578	+		=	1.094
7.	947	+		=	1.424
8.	862	+		=	1.535
9.	858	+		=	1.188
10.	799	+		=	1.294

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	297	+	251	=	548
2.	720	+	643	=	1.363
3.	559	+	376	=	935
4.	960	+	614	=	1.574
5.	472	+	353	=	825
6.	870	+	533	=	1.403
7.	720	+	591	=	1.311
8.	814	+	546	=	1.360
9.	930	+	616	=	1.546
10.	858	+	717	=	1.575

Oefening 2
1.	437	+	320	=	757
2.	511	+	423	=	934
3.	987	+	617	=	1.604
4.	814	+	613	=	1.427
5.	638	+	213	=	851
6.	882	+	265	=	1.147
7.	952	+	332	=	1.284
8.	701	+	247	=	948
9.	756	+	580	=	1.336
10.	403	+	397	=	800

Oefening 3
1.	901	+	638	=	1.539
2.	854	+	267	=	1.121
3.	834	+	375	=	1.209
4.	541	+	315	=	856
5.	520	+	502	=	1.022
6.	617	+	383	=	1.000
7.	645	+	607	=	1.252
8.	930	+	601	=	1.531
9.	743	+	509	=	1.252
10.	750	+	460	=	1.210

Oefening 4
1.	667	+	410	=	1.077
2.	739	+	214	=	953
3.	936	+	349	=	1.285
4.	675	+	211	=	886
5.	487	+	452	=	939
6.	578	+	516	=	1.094
7.	947	+	477	=	1.424
8.	862	+	673	=	1.535
9.	858	+	330	=	1.188
10.	799	+	495	=	1.294