Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	973	+		=	1.697
2.	571	+		=	1.103
3.	462	+		=	730
4.	711	+		=	1.209
5.	794	+		=	1.337
6.	701	+		=	1.391
7.	758	+		=	1.306
8.	830	+		=	1.647
9.	967	+		=	1.409
10.	796	+		=	1.318

Oefening 2
1.	898	+		=	1.346
2.	981	+		=	1.390
3.	604	+		=	1.051
4.	228	+		=	428
5.	810	+		=	1.393
6.	477	+		=	690
7.	778	+		=	1.521
8.	370	+		=	630
9.	916	+		=	1.176
10.	674	+		=	968

Oefening 3
1.	632	+		=	856
2.	757	+		=	1.100
3.	688	+		=	1.090
4.	957	+		=	1.905
5.	740	+		=	1.053
6.	982	+		=	1.724
7.	902	+		=	1.566
8.	868	+		=	1.548
9.	828	+		=	1.581
10.	741	+		=	1.356

Oefening 4
1.	356	+		=	685
2.	514	+		=	883
3.	396	+		=	662
4.	886	+		=	1.320
5.	305	+		=	593
6.	523	+		=	934
7.	788	+		=	1.069
8.	993	+		=	1.582
9.	715	+		=	939
10.	609	+		=	935

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	973	+	724	=	1.697
2.	571	+	532	=	1.103
3.	462	+	268	=	730
4.	711	+	498	=	1.209
5.	794	+	543	=	1.337
6.	701	+	690	=	1.391
7.	758	+	548	=	1.306
8.	830	+	817	=	1.647
9.	967	+	442	=	1.409
10.	796	+	522	=	1.318

Oefening 2
1.	898	+	448	=	1.346
2.	981	+	409	=	1.390
3.	604	+	447	=	1.051
4.	228	+	200	=	428
5.	810	+	583	=	1.393
6.	477	+	213	=	690
7.	778	+	743	=	1.521
8.	370	+	260	=	630
9.	916	+	260	=	1.176
10.	674	+	294	=	968

Oefening 3
1.	632	+	224	=	856
2.	757	+	343	=	1.100
3.	688	+	402	=	1.090
4.	957	+	948	=	1.905
5.	740	+	313	=	1.053
6.	982	+	742	=	1.724
7.	902	+	664	=	1.566
8.	868	+	680	=	1.548
9.	828	+	753	=	1.581
10.	741	+	615	=	1.356

Oefening 4
1.	356	+	329	=	685
2.	514	+	369	=	883
3.	396	+	266	=	662
4.	886	+	434	=	1.320
5.	305	+	288	=	593
6.	523	+	411	=	934
7.	788	+	281	=	1.069
8.	993	+	589	=	1.582
9.	715	+	224	=	939
10.	609	+	326	=	935