Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	487	+		=	937
2.	471	+		=	899
3.	728	+		=	1.028
4.	831	+		=	1.500
5.	981	+		=	1.701
6.	732	+		=	1.254
7.	639	+		=	919
8.	718	+		=	1.434
9.	784	+		=	1.274
10.	644	+		=	1.069

Oefening 2
1.	851	+		=	1.548
2.	585	+		=	949
3.	665	+		=	1.310
4.	547	+		=	791
5.	780	+		=	1.100
6.	545	+		=	957
7.	280	+		=	481
8.	916	+		=	1.299
9.	957	+		=	1.628
10.	705	+		=	1.161

Oefening 3
1.	397	+		=	760
2.	391	+		=	758
3.	759	+		=	1.225
4.	983	+		=	1.635
5.	568	+		=	848
6.	961	+		=	1.576
7.	897	+		=	1.262
8.	852	+		=	1.576
9.	992	+		=	1.938
10.	625	+		=	1.090

Oefening 4
1.	557	+		=	1.112
2.	988	+		=	1.467
3.	807	+		=	1.082
4.	709	+		=	1.064
5.	583	+		=	1.134
6.	926	+		=	1.712
7.	751	+		=	1.386
8.	558	+		=	999
9.	913	+		=	1.290
10.	912	+		=	1.561

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	487	+	450	=	937
2.	471	+	428	=	899
3.	728	+	300	=	1.028
4.	831	+	669	=	1.500
5.	981	+	720	=	1.701
6.	732	+	522	=	1.254
7.	639	+	280	=	919
8.	718	+	716	=	1.434
9.	784	+	490	=	1.274
10.	644	+	425	=	1.069

Oefening 2
1.	851	+	697	=	1.548
2.	585	+	364	=	949
3.	665	+	645	=	1.310
4.	547	+	244	=	791
5.	780	+	320	=	1.100
6.	545	+	412	=	957
7.	280	+	201	=	481
8.	916	+	383	=	1.299
9.	957	+	671	=	1.628
10.	705	+	456	=	1.161

Oefening 3
1.	397	+	363	=	760
2.	391	+	367	=	758
3.	759	+	466	=	1.225
4.	983	+	652	=	1.635
5.	568	+	280	=	848
6.	961	+	615	=	1.576
7.	897	+	365	=	1.262
8.	852	+	724	=	1.576
9.	992	+	946	=	1.938
10.	625	+	465	=	1.090

Oefening 4
1.	557	+	555	=	1.112
2.	988	+	479	=	1.467
3.	807	+	275	=	1.082
4.	709	+	355	=	1.064
5.	583	+	551	=	1.134
6.	926	+	786	=	1.712
7.	751	+	635	=	1.386
8.	558	+	441	=	999
9.	913	+	377	=	1.290
10.	912	+	649	=	1.561