Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	408	+		=	664
2.	651	+		=	1.152
3.	969	+		=	1.233
4.	866	+		=	1.174
5.	761	+		=	1.374
6.	602	+		=	1.092
7.	893	+		=	1.621
8.	927	+		=	1.330
9.	291	+		=	544
10.	939	+		=	1.556

Oefening 2
1.	669	+		=	928
2.	514	+		=	892
3.	658	+		=	1.080
4.	374	+		=	682
5.	432	+		=	742
6.	589	+		=	953
7.	808	+		=	1.526
8.	401	+		=	637
9.	865	+		=	1.462
10.	467	+		=	919

Oefening 3
1.	923	+		=	1.268
2.	879	+		=	1.268
3.	390	+		=	689
4.	798	+		=	1.586
5.	441	+		=	835
6.	588	+		=	1.123
7.	690	+		=	1.011
8.	547	+		=	909
9.	666	+		=	1.295
10.	889	+		=	1.401

Oefening 4
1.	645	+		=	964
2.	580	+		=	1.021
3.	925	+		=	1.150
4.	507	+		=	984
5.	630	+		=	978
6.	736	+		=	1.119
7.	349	+		=	616
8.	451	+		=	736
9.	953	+		=	1.695
10.	708	+		=	1.385

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	408	+	256	=	664
2.	651	+	501	=	1.152
3.	969	+	264	=	1.233
4.	866	+	308	=	1.174
5.	761	+	613	=	1.374
6.	602	+	490	=	1.092
7.	893	+	728	=	1.621
8.	927	+	403	=	1.330
9.	291	+	253	=	544
10.	939	+	617	=	1.556

Oefening 2
1.	669	+	259	=	928
2.	514	+	378	=	892
3.	658	+	422	=	1.080
4.	374	+	308	=	682
5.	432	+	310	=	742
6.	589	+	364	=	953
7.	808	+	718	=	1.526
8.	401	+	236	=	637
9.	865	+	597	=	1.462
10.	467	+	452	=	919

Oefening 3
1.	923	+	345	=	1.268
2.	879	+	389	=	1.268
3.	390	+	299	=	689
4.	798	+	788	=	1.586
5.	441	+	394	=	835
6.	588	+	535	=	1.123
7.	690	+	321	=	1.011
8.	547	+	362	=	909
9.	666	+	629	=	1.295
10.	889	+	512	=	1.401

Oefening 4
1.	645	+	319	=	964
2.	580	+	441	=	1.021
3.	925	+	225	=	1.150
4.	507	+	477	=	984
5.	630	+	348	=	978
6.	736	+	383	=	1.119
7.	349	+	267	=	616
8.	451	+	285	=	736
9.	953	+	742	=	1.695
10.	708	+	677	=	1.385