Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	599	+		=	1.012
2.	381	+		=	592
3.	357	+		=	625
4.	885	+		=	1.602
5.	971	+		=	1.252
6.	487	+		=	895
7.	910	+		=	1.117
8.	741	+		=	1.022
9.	922	+		=	1.447
10.	642	+		=	940

Oefening 2
1.	990	+		=	1.354
2.	968	+		=	1.741
3.	780	+		=	1.303
4.	919	+		=	1.314
5.	671	+		=	871
6.	588	+		=	942
7.	803	+		=	1.496
8.	997	+		=	1.772
9.	602	+		=	1.026
10.	554	+		=	1.054

Oefening 3
1.	627	+		=	1.014
2.	476	+		=	689
3.	346	+		=	580
4.	782	+		=	1.195
5.	760	+		=	1.293
6.	946	+		=	1.511
7.	525	+		=	845
8.	966	+		=	1.457
9.	360	+		=	639
10.	495	+		=	864

Oefening 4
1.	667	+		=	1.328
2.	846	+		=	1.284
3.	914	+		=	1.329
4.	965	+		=	1.356
5.	452	+		=	884
6.	894	+		=	1.154
7.	859	+		=	1.406
8.	690	+		=	1.202
9.	930	+		=	1.512
10.	958	+		=	1.215

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	599	+	413	=	1.012
2.	381	+	211	=	592
3.	357	+	268	=	625
4.	885	+	717	=	1.602
5.	971	+	281	=	1.252
6.	487	+	408	=	895
7.	910	+	207	=	1.117
8.	741	+	281	=	1.022
9.	922	+	525	=	1.447
10.	642	+	298	=	940

Oefening 2
1.	990	+	364	=	1.354
2.	968	+	773	=	1.741
3.	780	+	523	=	1.303
4.	919	+	395	=	1.314
5.	671	+	200	=	871
6.	588	+	354	=	942
7.	803	+	693	=	1.496
8.	997	+	775	=	1.772
9.	602	+	424	=	1.026
10.	554	+	500	=	1.054

Oefening 3
1.	627	+	387	=	1.014
2.	476	+	213	=	689
3.	346	+	234	=	580
4.	782	+	413	=	1.195
5.	760	+	533	=	1.293
6.	946	+	565	=	1.511
7.	525	+	320	=	845
8.	966	+	491	=	1.457
9.	360	+	279	=	639
10.	495	+	369	=	864

Oefening 4
1.	667	+	661	=	1.328
2.	846	+	438	=	1.284
3.	914	+	415	=	1.329
4.	965	+	391	=	1.356
5.	452	+	432	=	884
6.	894	+	260	=	1.154
7.	859	+	547	=	1.406
8.	690	+	512	=	1.202
9.	930	+	582	=	1.512
10.	958	+	257	=	1.215