Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	870	+		=	1.231
2.	900	+		=	1.321
3.	553	+		=	1.077
4.	470	+		=	833
5.	389	+		=	693
6.	822	+		=	1.467
7.	990	+		=	1.283
8.	311	+		=	587
9.	780	+		=	1.192
10.	646	+		=	1.053

Oefening 2
1.	481	+		=	854
2.	808	+		=	1.508
3.	812	+		=	1.592
4.	758	+		=	1.158
5.	896	+		=	1.405
6.	575	+		=	788
7.	973	+		=	1.205
8.	952	+		=	1.629
9.	530	+		=	907
10.	648	+		=	848

Oefening 3
1.	833	+		=	1.331
2.	921	+		=	1.386
3.	828	+		=	1.448
4.	836	+		=	1.090
5.	627	+		=	1.051
6.	909	+		=	1.639
7.	976	+		=	1.719
8.	941	+		=	1.377
9.	739	+		=	1.189
10.	473	+		=	899

Oefening 4
1.	701	+		=	1.123
2.	896	+		=	1.734
3.	721	+		=	1.196
4.	912	+		=	1.597
5.	942	+		=	1.525
6.	864	+		=	1.199
7.	977	+		=	1.721
8.	561	+		=	1.079
9.	849	+		=	1.556
10.	820	+		=	1.368

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	870	+	361	=	1.231
2.	900	+	421	=	1.321
3.	553	+	524	=	1.077
4.	470	+	363	=	833
5.	389	+	304	=	693
6.	822	+	645	=	1.467
7.	990	+	293	=	1.283
8.	311	+	276	=	587
9.	780	+	412	=	1.192
10.	646	+	407	=	1.053

Oefening 2
1.	481	+	373	=	854
2.	808	+	700	=	1.508
3.	812	+	780	=	1.592
4.	758	+	400	=	1.158
5.	896	+	509	=	1.405
6.	575	+	213	=	788
7.	973	+	232	=	1.205
8.	952	+	677	=	1.629
9.	530	+	377	=	907
10.	648	+	200	=	848

Oefening 3
1.	833	+	498	=	1.331
2.	921	+	465	=	1.386
3.	828	+	620	=	1.448
4.	836	+	254	=	1.090
5.	627	+	424	=	1.051
6.	909	+	730	=	1.639
7.	976	+	743	=	1.719
8.	941	+	436	=	1.377
9.	739	+	450	=	1.189
10.	473	+	426	=	899

Oefening 4
1.	701	+	422	=	1.123
2.	896	+	838	=	1.734
3.	721	+	475	=	1.196
4.	912	+	685	=	1.597
5.	942	+	583	=	1.525
6.	864	+	335	=	1.199
7.	977	+	744	=	1.721
8.	561	+	518	=	1.079
9.	849	+	707	=	1.556
10.	820	+	548	=	1.368