Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	771	+		=	1.330
2.	704	+		=	1.287
3.	711	+		=	1.110
4.	722	+		=	1.093
5.	459	+		=	757
6.	462	+		=	786
7.	890	+		=	1.201
8.	614	+		=	987
9.	825	+		=	1.113
10.	980	+		=	1.809

Oefening 2
1.	464	+		=	861
2.	989	+		=	1.737
3.	999	+		=	1.833
4.	333	+		=	533
5.	836	+		=	1.077
6.	627	+		=	960
7.	925	+		=	1.187
8.	848	+		=	1.053
9.	962	+		=	1.243
10.	757	+		=	1.246

Oefening 3
1.	928	+		=	1.571
2.	648	+		=	1.128
3.	877	+		=	1.151
4.	965	+		=	1.207
5.	741	+		=	1.224
6.	475	+		=	829
7.	874	+		=	1.728
8.	845	+		=	1.625
9.	894	+		=	1.377
10.	417	+		=	638

Oefening 4
1.	510	+		=	868
2.	352	+		=	553
3.	960	+		=	1.279
4.	655	+		=	1.116
5.	877	+		=	1.550
6.	528	+		=	890
7.	356	+		=	648
8.	965	+		=	1.365
9.	501	+		=	741
10.	984	+		=	1.577

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	771	+	559	=	1.330
2.	704	+	583	=	1.287
3.	711	+	399	=	1.110
4.	722	+	371	=	1.093
5.	459	+	298	=	757
6.	462	+	324	=	786
7.	890	+	311	=	1.201
8.	614	+	373	=	987
9.	825	+	288	=	1.113
10.	980	+	829	=	1.809

Oefening 2
1.	464	+	397	=	861
2.	989	+	748	=	1.737
3.	999	+	834	=	1.833
4.	333	+	200	=	533
5.	836	+	241	=	1.077
6.	627	+	333	=	960
7.	925	+	262	=	1.187
8.	848	+	205	=	1.053
9.	962	+	281	=	1.243
10.	757	+	489	=	1.246

Oefening 3
1.	928	+	643	=	1.571
2.	648	+	480	=	1.128
3.	877	+	274	=	1.151
4.	965	+	242	=	1.207
5.	741	+	483	=	1.224
6.	475	+	354	=	829
7.	874	+	854	=	1.728
8.	845	+	780	=	1.625
9.	894	+	483	=	1.377
10.	417	+	221	=	638

Oefening 4
1.	510	+	358	=	868
2.	352	+	201	=	553
3.	960	+	319	=	1.279
4.	655	+	461	=	1.116
5.	877	+	673	=	1.550
6.	528	+	362	=	890
7.	356	+	292	=	648
8.	965	+	400	=	1.365
9.	501	+	240	=	741
10.	984	+	593	=	1.577