Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	991	+		=	1.545
2.	545	+		=	801
3.	405	+		=	730
4.	470	+		=	875
5.	721	+		=	1.111
6.	820	+		=	1.324
7.	990	+		=	1.497
8.	721	+		=	1.367
9.	795	+		=	1.456
10.	996	+		=	1.949

Oefening 2
1.	633	+		=	1.211
2.	669	+		=	1.258
3.	645	+		=	1.230
4.	748	+		=	1.204
5.	793	+		=	1.333
6.	754	+		=	1.146
7.	593	+		=	1.109
8.	515	+		=	784
9.	729	+		=	1.371
10.	487	+		=	757

Oefening 3
1.	913	+		=	1.799
2.	615	+		=	887
3.	297	+		=	593
4.	626	+		=	920
5.	788	+		=	1.364
6.	595	+		=	882
7.	813	+		=	1.475
8.	705	+		=	1.125
9.	378	+		=	755
10.	581	+		=	1.083

Oefening 4
1.	444	+		=	700
2.	767	+		=	1.387
3.	558	+		=	1.076
4.	879	+		=	1.093
5.	517	+		=	1.014
6.	392	+		=	687
7.	718	+		=	1.408
8.	909	+		=	1.728
9.	588	+		=	982
10.	477	+		=	834

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	991	+	554	=	1.545
2.	545	+	256	=	801
3.	405	+	325	=	730
4.	470	+	405	=	875
5.	721	+	390	=	1.111
6.	820	+	504	=	1.324
7.	990	+	507	=	1.497
8.	721	+	646	=	1.367
9.	795	+	661	=	1.456
10.	996	+	953	=	1.949

Oefening 2
1.	633	+	578	=	1.211
2.	669	+	589	=	1.258
3.	645	+	585	=	1.230
4.	748	+	456	=	1.204
5.	793	+	540	=	1.333
6.	754	+	392	=	1.146
7.	593	+	516	=	1.109
8.	515	+	269	=	784
9.	729	+	642	=	1.371
10.	487	+	270	=	757

Oefening 3
1.	913	+	886	=	1.799
2.	615	+	272	=	887
3.	297	+	296	=	593
4.	626	+	294	=	920
5.	788	+	576	=	1.364
6.	595	+	287	=	882
7.	813	+	662	=	1.475
8.	705	+	420	=	1.125
9.	378	+	377	=	755
10.	581	+	502	=	1.083

Oefening 4
1.	444	+	256	=	700
2.	767	+	620	=	1.387
3.	558	+	518	=	1.076
4.	879	+	214	=	1.093
5.	517	+	497	=	1.014
6.	392	+	295	=	687
7.	718	+	690	=	1.408
8.	909	+	819	=	1.728
9.	588	+	394	=	982
10.	477	+	357	=	834