Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	473	+		=	688
2.	903	+		=	1.576
3.	697	+		=	942
4.	640	+		=	1.008
5.	648	+		=	1.175
6.	583	+		=	865
7.	879	+		=	1.667
8.	487	+		=	873
9.	922	+		=	1.274
10.	527	+		=	1.023

Oefening 2
1.	533	+		=	1.050
2.	861	+		=	1.320
3.	571	+		=	1.082
4.	840	+		=	1.046
5.	736	+		=	1.220
6.	630	+		=	1.186
7.	479	+		=	831
8.	535	+		=	890
9.	361	+		=	633
10.	564	+		=	1.049

Oefening 3
1.	585	+		=	849
2.	492	+		=	755
3.	633	+		=	870
4.	952	+		=	1.443
5.	725	+		=	937
6.	722	+		=	979
7.	943	+		=	1.773
8.	942	+		=	1.828
9.	776	+		=	1.292
10.	760	+		=	1.113

Oefening 4
1.	518	+		=	738
2.	886	+		=	1.188
3.	738	+		=	1.087
4.	596	+		=	910
5.	933	+		=	1.794
6.	584	+		=	877
7.	388	+		=	606
8.	716	+		=	1.034
9.	388	+		=	642
10.	997	+		=	1.879

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	473	+	215	=	688
2.	903	+	673	=	1.576
3.	697	+	245	=	942
4.	640	+	368	=	1.008
5.	648	+	527	=	1.175
6.	583	+	282	=	865
7.	879	+	788	=	1.667
8.	487	+	386	=	873
9.	922	+	352	=	1.274
10.	527	+	496	=	1.023

Oefening 2
1.	533	+	517	=	1.050
2.	861	+	459	=	1.320
3.	571	+	511	=	1.082
4.	840	+	206	=	1.046
5.	736	+	484	=	1.220
6.	630	+	556	=	1.186
7.	479	+	352	=	831
8.	535	+	355	=	890
9.	361	+	272	=	633
10.	564	+	485	=	1.049

Oefening 3
1.	585	+	264	=	849
2.	492	+	263	=	755
3.	633	+	237	=	870
4.	952	+	491	=	1.443
5.	725	+	212	=	937
6.	722	+	257	=	979
7.	943	+	830	=	1.773
8.	942	+	886	=	1.828
9.	776	+	516	=	1.292
10.	760	+	353	=	1.113

Oefening 4
1.	518	+	220	=	738
2.	886	+	302	=	1.188
3.	738	+	349	=	1.087
4.	596	+	314	=	910
5.	933	+	861	=	1.794
6.	584	+	293	=	877
7.	388	+	218	=	606
8.	716	+	318	=	1.034
9.	388	+	254	=	642
10.	997	+	882	=	1.879