Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	267	+		=	529
2.	868	+		=	1.247
3.	891	+		=	1.144
4.	827	+		=	1.318
5.	646	+		=	947
6.	878	+		=	1.194
7.	962	+		=	1.362
8.	678	+		=	1.223
9.	739	+		=	1.015
10.	848	+		=	1.067

Oefening 2
1.	658	+		=	983
2.	922	+		=	1.417
3.	626	+		=	1.067
4.	948	+		=	1.288
5.	468	+		=	898
6.	618	+		=	878
7.	913	+		=	1.340
8.	822	+		=	1.377
9.	912	+		=	1.810
10.	904	+		=	1.476

Oefening 3
1.	855	+		=	1.256
2.	945	+		=	1.246
3.	990	+		=	1.699
4.	467	+		=	922
5.	318	+		=	565
6.	999	+		=	1.563
7.	824	+		=	1.165
8.	974	+		=	1.447
9.	994	+		=	1.390
10.	987	+		=	1.720

Oefening 4
1.	714	+		=	1.207
2.	477	+		=	897
3.	820	+		=	1.192
4.	886	+		=	1.404
5.	649	+		=	888
6.	887	+		=	1.345
7.	780	+		=	1.107
8.	934	+		=	1.750
9.	992	+		=	1.656
10.	747	+		=	1.283

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	267	+	262	=	529
2.	868	+	379	=	1.247
3.	891	+	253	=	1.144
4.	827	+	491	=	1.318
5.	646	+	301	=	947
6.	878	+	316	=	1.194
7.	962	+	400	=	1.362
8.	678	+	545	=	1.223
9.	739	+	276	=	1.015
10.	848	+	219	=	1.067

Oefening 2
1.	658	+	325	=	983
2.	922	+	495	=	1.417
3.	626	+	441	=	1.067
4.	948	+	340	=	1.288
5.	468	+	430	=	898
6.	618	+	260	=	878
7.	913	+	427	=	1.340
8.	822	+	555	=	1.377
9.	912	+	898	=	1.810
10.	904	+	572	=	1.476

Oefening 3
1.	855	+	401	=	1.256
2.	945	+	301	=	1.246
3.	990	+	709	=	1.699
4.	467	+	455	=	922
5.	318	+	247	=	565
6.	999	+	564	=	1.563
7.	824	+	341	=	1.165
8.	974	+	473	=	1.447
9.	994	+	396	=	1.390
10.	987	+	733	=	1.720

Oefening 4
1.	714	+	493	=	1.207
2.	477	+	420	=	897
3.	820	+	372	=	1.192
4.	886	+	518	=	1.404
5.	649	+	239	=	888
6.	887	+	458	=	1.345
7.	780	+	327	=	1.107
8.	934	+	816	=	1.750
9.	992	+	664	=	1.656
10.	747	+	536	=	1.283