Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	999	+		=	1.582
2.	756	+		=	1.474
3.	245	+		=	483
4.	809	+		=	1.417
5.	863	+		=	1.364
6.	739	+		=	1.436
7.	917	+		=	1.334
8.	970	+		=	1.849
9.	956	+		=	1.754
10.	693	+		=	1.217

Oefening 2
1.	994	+		=	1.522
2.	933	+		=	1.850
3.	607	+		=	1.196
4.	775	+		=	1.162
5.	650	+		=	879
6.	680	+		=	1.174
7.	748	+		=	1.489
8.	614	+		=	814
9.	424	+		=	695
10.	763	+		=	1.516

Oefening 3
1.	461	+		=	715
2.	1.000	+		=	1.291
3.	460	+		=	660
4.	601	+		=	820
5.	902	+		=	1.398
6.	640	+		=	952
7.	887	+		=	1.415
8.	859	+		=	1.334
9.	916	+		=	1.221
10.	966	+		=	1.769

Oefening 4
1.	790	+		=	991
2.	792	+		=	1.357
3.	782	+		=	1.486
4.	471	+		=	935
5.	276	+		=	522
6.	864	+		=	1.088
7.	678	+		=	1.140
8.	845	+		=	1.102
9.	998	+		=	1.839
10.	967	+		=	1.412

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	999	+	583	=	1.582
2.	756	+	718	=	1.474
3.	245	+	238	=	483
4.	809	+	608	=	1.417
5.	863	+	501	=	1.364
6.	739	+	697	=	1.436
7.	917	+	417	=	1.334
8.	970	+	879	=	1.849
9.	956	+	798	=	1.754
10.	693	+	524	=	1.217

Oefening 2
1.	994	+	528	=	1.522
2.	933	+	917	=	1.850
3.	607	+	589	=	1.196
4.	775	+	387	=	1.162
5.	650	+	229	=	879
6.	680	+	494	=	1.174
7.	748	+	741	=	1.489
8.	614	+	200	=	814
9.	424	+	271	=	695
10.	763	+	753	=	1.516

Oefening 3
1.	461	+	254	=	715
2.	1.000	+	291	=	1.291
3.	460	+	200	=	660
4.	601	+	219	=	820
5.	902	+	496	=	1.398
6.	640	+	312	=	952
7.	887	+	528	=	1.415
8.	859	+	475	=	1.334
9.	916	+	305	=	1.221
10.	966	+	803	=	1.769

Oefening 4
1.	790	+	201	=	991
2.	792	+	565	=	1.357
3.	782	+	704	=	1.486
4.	471	+	464	=	935
5.	276	+	246	=	522
6.	864	+	224	=	1.088
7.	678	+	462	=	1.140
8.	845	+	257	=	1.102
9.	998	+	841	=	1.839
10.	967	+	445	=	1.412