Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	326	+		=	624
2.	757	+		=	1.120
3.	716	+		=	1.229
4.	649	+		=	935
5.	891	+		=	1.233
6.	442	+		=	720
7.	784	+		=	1.208
8.	703	+		=	972
9.	972	+		=	1.174
10.	411	+		=	792

Oefening 2
1.	459	+		=	890
2.	804	+		=	1.549
3.	986	+		=	1.840
4.	803	+		=	1.039
5.	955	+		=	1.464
6.	851	+		=	1.521
7.	607	+		=	942
8.	991	+		=	1.679
9.	870	+		=	1.410
10.	847	+		=	1.317

Oefening 3
1.	521	+		=	842
2.	610	+		=	933
3.	738	+		=	1.443
4.	945	+		=	1.582
5.	663	+		=	898
6.	722	+		=	1.261
7.	577	+		=	1.038
8.	746	+		=	1.355
9.	728	+		=	1.047
10.	789	+		=	1.050

Oefening 4
1.	988	+		=	1.918
2.	760	+		=	1.124
3.	431	+		=	771
4.	309	+		=	520
5.	963	+		=	1.609
6.	877	+		=	1.491
7.	898	+		=	1.674
8.	865	+		=	1.695
9.	423	+		=	641
10.	452	+		=	653

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	326	+	298	=	624
2.	757	+	363	=	1.120
3.	716	+	513	=	1.229
4.	649	+	286	=	935
5.	891	+	342	=	1.233
6.	442	+	278	=	720
7.	784	+	424	=	1.208
8.	703	+	269	=	972
9.	972	+	202	=	1.174
10.	411	+	381	=	792

Oefening 2
1.	459	+	431	=	890
2.	804	+	745	=	1.549
3.	986	+	854	=	1.840
4.	803	+	236	=	1.039
5.	955	+	509	=	1.464
6.	851	+	670	=	1.521
7.	607	+	335	=	942
8.	991	+	688	=	1.679
9.	870	+	540	=	1.410
10.	847	+	470	=	1.317

Oefening 3
1.	521	+	321	=	842
2.	610	+	323	=	933
3.	738	+	705	=	1.443
4.	945	+	637	=	1.582
5.	663	+	235	=	898
6.	722	+	539	=	1.261
7.	577	+	461	=	1.038
8.	746	+	609	=	1.355
9.	728	+	319	=	1.047
10.	789	+	261	=	1.050

Oefening 4
1.	988	+	930	=	1.918
2.	760	+	364	=	1.124
3.	431	+	340	=	771
4.	309	+	211	=	520
5.	963	+	646	=	1.609
6.	877	+	614	=	1.491
7.	898	+	776	=	1.674
8.	865	+	830	=	1.695
9.	423	+	218	=	641
10.	452	+	201	=	653