Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	612	+		=	981
2.	408	+		=	641
3.	969	+		=	1.364
4.	424	+		=	839
5.	625	+		=	1.048
6.	894	+		=	1.379
7.	509	+		=	902
8.	922	+		=	1.316
9.	396	+		=	715
10.	910	+		=	1.681

Oefening 2
1.	565	+		=	922
2.	909	+		=	1.745
3.	759	+		=	1.152
4.	695	+		=	1.390
5.	946	+		=	1.699
6.	926	+		=	1.848
7.	960	+		=	1.565
8.	360	+		=	613
9.	775	+		=	1.264
10.	514	+		=	878

Oefening 3
1.	804	+		=	1.386
2.	677	+		=	1.003
3.	292	+		=	578
4.	495	+		=	908
5.	880	+		=	1.084
6.	643	+		=	1.187
7.	627	+		=	842
8.	803	+		=	1.050
9.	611	+		=	1.049
10.	633	+		=	1.209

Oefening 4
1.	964	+		=	1.904
2.	877	+		=	1.434
3.	497	+		=	939
4.	452	+		=	683
5.	333	+		=	634
6.	450	+		=	734
7.	871	+		=	1.160
8.	554	+		=	1.018
9.	671	+		=	959
10.	879	+		=	1.549

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	612	+	369	=	981
2.	408	+	233	=	641
3.	969	+	395	=	1.364
4.	424	+	415	=	839
5.	625	+	423	=	1.048
6.	894	+	485	=	1.379
7.	509	+	393	=	902
8.	922	+	394	=	1.316
9.	396	+	319	=	715
10.	910	+	771	=	1.681

Oefening 2
1.	565	+	357	=	922
2.	909	+	836	=	1.745
3.	759	+	393	=	1.152
4.	695	+	695	=	1.390
5.	946	+	753	=	1.699
6.	926	+	922	=	1.848
7.	960	+	605	=	1.565
8.	360	+	253	=	613
9.	775	+	489	=	1.264
10.	514	+	364	=	878

Oefening 3
1.	804	+	582	=	1.386
2.	677	+	326	=	1.003
3.	292	+	286	=	578
4.	495	+	413	=	908
5.	880	+	204	=	1.084
6.	643	+	544	=	1.187
7.	627	+	215	=	842
8.	803	+	247	=	1.050
9.	611	+	438	=	1.049
10.	633	+	576	=	1.209

Oefening 4
1.	964	+	940	=	1.904
2.	877	+	557	=	1.434
3.	497	+	442	=	939
4.	452	+	231	=	683
5.	333	+	301	=	634
6.	450	+	284	=	734
7.	871	+	289	=	1.160
8.	554	+	464	=	1.018
9.	671	+	288	=	959
10.	879	+	670	=	1.549