Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	787	+		=	1.142
2.	881	+		=	1.552
3.	739	+		=	977
4.	637	+		=	1.179
5.	785	+		=	1.433
6.	555	+		=	1.087
7.	670	+		=	1.157
8.	941	+		=	1.604
9.	882	+		=	1.147
10.	742	+		=	1.257

Oefening 2
1.	981	+		=	1.472
2.	792	+		=	1.368
3.	691	+		=	985
4.	592	+		=	1.147
5.	521	+		=	939
6.	759	+		=	1.291
7.	755	+		=	1.365
8.	656	+		=	1.032
9.	448	+		=	887
10.	434	+		=	729

Oefening 3
1.	928	+		=	1.514
2.	417	+		=	661
3.	801	+		=	1.498
4.	944	+		=	1.685
5.	595	+		=	825
6.	471	+		=	864
7.	838	+		=	1.587
8.	600	+		=	882
9.	802	+		=	1.332
10.	986	+		=	1.417

Oefening 4
1.	641	+		=	924
2.	878	+		=	1.404
3.	999	+		=	1.983
4.	844	+		=	1.268
5.	377	+		=	685
6.	756	+		=	1.258
7.	754	+		=	1.096
8.	467	+		=	880
9.	881	+		=	1.302
10.	315	+		=	619

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	787	+	355	=	1.142
2.	881	+	671	=	1.552
3.	739	+	238	=	977
4.	637	+	542	=	1.179
5.	785	+	648	=	1.433
6.	555	+	532	=	1.087
7.	670	+	487	=	1.157
8.	941	+	663	=	1.604
9.	882	+	265	=	1.147
10.	742	+	515	=	1.257

Oefening 2
1.	981	+	491	=	1.472
2.	792	+	576	=	1.368
3.	691	+	294	=	985
4.	592	+	555	=	1.147
5.	521	+	418	=	939
6.	759	+	532	=	1.291
7.	755	+	610	=	1.365
8.	656	+	376	=	1.032
9.	448	+	439	=	887
10.	434	+	295	=	729

Oefening 3
1.	928	+	586	=	1.514
2.	417	+	244	=	661
3.	801	+	697	=	1.498
4.	944	+	741	=	1.685
5.	595	+	230	=	825
6.	471	+	393	=	864
7.	838	+	749	=	1.587
8.	600	+	282	=	882
9.	802	+	530	=	1.332
10.	986	+	431	=	1.417

Oefening 4
1.	641	+	283	=	924
2.	878	+	526	=	1.404
3.	999	+	984	=	1.983
4.	844	+	424	=	1.268
5.	377	+	308	=	685
6.	756	+	502	=	1.258
7.	754	+	342	=	1.096
8.	467	+	413	=	880
9.	881	+	421	=	1.302
10.	315	+	304	=	619