Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	836	+		=	1.060
2.	711	+		=	1.275
3.	525	+		=	876
4.	711	+		=	1.116
5.	333	+		=	575
6.	789	+		=	1.145
7.	476	+		=	935
8.	742	+		=	1.451
9.	956	+		=	1.287
10.	864	+		=	1.701

Oefening 2
1.	925	+		=	1.607
2.	778	+		=	1.372
3.	942	+		=	1.766
4.	985	+		=	1.490
5.	966	+		=	1.466
6.	755	+		=	1.316
7.	731	+		=	1.183
8.	851	+		=	1.701
9.	456	+		=	902
10.	250	+		=	462

Oefening 3
1.	453	+		=	743
2.	746	+		=	1.296
3.	880	+		=	1.495
4.	832	+		=	1.054
5.	479	+		=	785
6.	994	+		=	1.857
7.	884	+		=	1.634
8.	385	+		=	627
9.	771	+		=	1.011
10.	647	+		=	1.165

Oefening 4
1.	802	+		=	1.331
2.	689	+		=	912
3.	886	+		=	1.212
4.	391	+		=	678
5.	628	+		=	1.171
6.	588	+		=	1.092
7.	698	+		=	966
8.	666	+		=	965
9.	467	+		=	683
10.	400	+		=	621

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	836	+	224	=	1.060
2.	711	+	564	=	1.275
3.	525	+	351	=	876
4.	711	+	405	=	1.116
5.	333	+	242	=	575
6.	789	+	356	=	1.145
7.	476	+	459	=	935
8.	742	+	709	=	1.451
9.	956	+	331	=	1.287
10.	864	+	837	=	1.701

Oefening 2
1.	925	+	682	=	1.607
2.	778	+	594	=	1.372
3.	942	+	824	=	1.766
4.	985	+	505	=	1.490
5.	966	+	500	=	1.466
6.	755	+	561	=	1.316
7.	731	+	452	=	1.183
8.	851	+	850	=	1.701
9.	456	+	446	=	902
10.	250	+	212	=	462

Oefening 3
1.	453	+	290	=	743
2.	746	+	550	=	1.296
3.	880	+	615	=	1.495
4.	832	+	222	=	1.054
5.	479	+	306	=	785
6.	994	+	863	=	1.857
7.	884	+	750	=	1.634
8.	385	+	242	=	627
9.	771	+	240	=	1.011
10.	647	+	518	=	1.165

Oefening 4
1.	802	+	529	=	1.331
2.	689	+	223	=	912
3.	886	+	326	=	1.212
4.	391	+	287	=	678
5.	628	+	543	=	1.171
6.	588	+	504	=	1.092
7.	698	+	268	=	966
8.	666	+	299	=	965
9.	467	+	216	=	683
10.	400	+	221	=	621