Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	514	+		=	926
2.	449	+		=	702
3.	992	+		=	1.320
4.	964	+		=	1.265
5.	583	+		=	807
6.	551	+		=	955
7.	423	+		=	700
8.	915	+		=	1.404
9.	599	+		=	1.123
10.	764	+		=	1.051

Oefening 2
1.	656	+		=	951
2.	959	+		=	1.553
3.	542	+		=	930
4.	993	+		=	1.864
5.	933	+		=	1.421
6.	900	+		=	1.721
7.	540	+		=	923
8.	735	+		=	995
9.	565	+		=	983
10.	881	+		=	1.090

Oefening 3
1.	902	+		=	1.317
2.	905	+		=	1.775
3.	244	+		=	465
4.	643	+		=	986
5.	465	+		=	733
6.	747	+		=	1.034
7.	994	+		=	1.826
8.	693	+		=	1.106
9.	939	+		=	1.397
10.	968	+		=	1.505

Oefening 4
1.	413	+		=	712
2.	985	+		=	1.507
3.	948	+		=	1.366
4.	560	+		=	898
5.	946	+		=	1.286
6.	270	+		=	536
7.	694	+		=	1.120
8.	541	+		=	935
9.	824	+		=	1.233
10.	997	+		=	1.668

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	514	+	412	=	926
2.	449	+	253	=	702
3.	992	+	328	=	1.320
4.	964	+	301	=	1.265
5.	583	+	224	=	807
6.	551	+	404	=	955
7.	423	+	277	=	700
8.	915	+	489	=	1.404
9.	599	+	524	=	1.123
10.	764	+	287	=	1.051

Oefening 2
1.	656	+	295	=	951
2.	959	+	594	=	1.553
3.	542	+	388	=	930
4.	993	+	871	=	1.864
5.	933	+	488	=	1.421
6.	900	+	821	=	1.721
7.	540	+	383	=	923
8.	735	+	260	=	995
9.	565	+	418	=	983
10.	881	+	209	=	1.090

Oefening 3
1.	902	+	415	=	1.317
2.	905	+	870	=	1.775
3.	244	+	221	=	465
4.	643	+	343	=	986
5.	465	+	268	=	733
6.	747	+	287	=	1.034
7.	994	+	832	=	1.826
8.	693	+	413	=	1.106
9.	939	+	458	=	1.397
10.	968	+	537	=	1.505

Oefening 4
1.	413	+	299	=	712
2.	985	+	522	=	1.507
3.	948	+	418	=	1.366
4.	560	+	338	=	898
5.	946	+	340	=	1.286
6.	270	+	266	=	536
7.	694	+	426	=	1.120
8.	541	+	394	=	935
9.	824	+	409	=	1.233
10.	997	+	671	=	1.668