Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	220	+		=	423
2.	716	+		=	975
3.	968	+		=	1.286
4.	662	+		=	872
5.	679	+		=	913
6.	999	+		=	1.394
7.	815	+		=	1.112
8.	986	+		=	1.870
9.	758	+		=	1.016
10.	781	+		=	1.105

Oefening 2
1.	579	+		=	1.101
2.	855	+		=	1.396
3.	904	+		=	1.379
4.	986	+		=	1.556
5.	470	+		=	879
6.	913	+		=	1.735
7.	898	+		=	1.380
8.	709	+		=	1.348
9.	592	+		=	879
10.	867	+		=	1.667

Oefening 3
1.	393	+		=	746
2.	883	+		=	1.130
3.	308	+		=	527
4.	591	+		=	1.125
5.	811	+		=	1.189
6.	994	+		=	1.364
7.	770	+		=	1.365
8.	813	+		=	1.187
9.	895	+		=	1.104
10.	569	+		=	1.096

Oefening 4
1.	798	+		=	1.114
2.	969	+		=	1.785
3.	950	+		=	1.568
4.	745	+		=	1.072
5.	535	+		=	928
6.	777	+		=	1.101
7.	924	+		=	1.472
8.	840	+		=	1.236
9.	704	+		=	1.332
10.	833	+		=	1.185

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	220	+	203	=	423
2.	716	+	259	=	975
3.	968	+	318	=	1.286
4.	662	+	210	=	872
5.	679	+	234	=	913
6.	999	+	395	=	1.394
7.	815	+	297	=	1.112
8.	986	+	884	=	1.870
9.	758	+	258	=	1.016
10.	781	+	324	=	1.105

Oefening 2
1.	579	+	522	=	1.101
2.	855	+	541	=	1.396
3.	904	+	475	=	1.379
4.	986	+	570	=	1.556
5.	470	+	409	=	879
6.	913	+	822	=	1.735
7.	898	+	482	=	1.380
8.	709	+	639	=	1.348
9.	592	+	287	=	879
10.	867	+	800	=	1.667

Oefening 3
1.	393	+	353	=	746
2.	883	+	247	=	1.130
3.	308	+	219	=	527
4.	591	+	534	=	1.125
5.	811	+	378	=	1.189
6.	994	+	370	=	1.364
7.	770	+	595	=	1.365
8.	813	+	374	=	1.187
9.	895	+	209	=	1.104
10.	569	+	527	=	1.096

Oefening 4
1.	798	+	316	=	1.114
2.	969	+	816	=	1.785
3.	950	+	618	=	1.568
4.	745	+	327	=	1.072
5.	535	+	393	=	928
6.	777	+	324	=	1.101
7.	924	+	548	=	1.472
8.	840	+	396	=	1.236
9.	704	+	628	=	1.332
10.	833	+	352	=	1.185