Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	890	+		=	1.178
2.	847	+		=	1.178
3.	405	+		=	624
4.	370	+		=	609
5.	597	+		=	1.102
6.	660	+		=	1.172
7.	308	+		=	532
8.	700	+		=	1.337
9.	641	+		=	1.159
10.	966	+		=	1.755

Oefening 2
1.	385	+		=	711
2.	567	+		=	775
3.	999	+		=	1.300
4.	852	+		=	1.327
5.	519	+		=	983
6.	380	+		=	619
7.	842	+		=	1.082
8.	729	+		=	1.195
9.	687	+		=	1.143
10.	929	+		=	1.460

Oefening 3
1.	607	+		=	991
2.	912	+		=	1.683
3.	875	+		=	1.325
4.	738	+		=	1.036
5.	704	+		=	1.265
6.	889	+		=	1.406
7.	933	+		=	1.290
8.	916	+		=	1.166
9.	492	+		=	913
10.	872	+		=	1.239

Oefening 4
1.	933	+		=	1.586
2.	856	+		=	1.459
3.	997	+		=	1.795
4.	792	+		=	1.091
5.	436	+		=	763
6.	951	+		=	1.462
7.	754	+		=	955
8.	427	+		=	850
9.	787	+		=	1.469
10.	859	+		=	1.242

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	890	+	288	=	1.178
2.	847	+	331	=	1.178
3.	405	+	219	=	624
4.	370	+	239	=	609
5.	597	+	505	=	1.102
6.	660	+	512	=	1.172
7.	308	+	224	=	532
8.	700	+	637	=	1.337
9.	641	+	518	=	1.159
10.	966	+	789	=	1.755

Oefening 2
1.	385	+	326	=	711
2.	567	+	208	=	775
3.	999	+	301	=	1.300
4.	852	+	475	=	1.327
5.	519	+	464	=	983
6.	380	+	239	=	619
7.	842	+	240	=	1.082
8.	729	+	466	=	1.195
9.	687	+	456	=	1.143
10.	929	+	531	=	1.460

Oefening 3
1.	607	+	384	=	991
2.	912	+	771	=	1.683
3.	875	+	450	=	1.325
4.	738	+	298	=	1.036
5.	704	+	561	=	1.265
6.	889	+	517	=	1.406
7.	933	+	357	=	1.290
8.	916	+	250	=	1.166
9.	492	+	421	=	913
10.	872	+	367	=	1.239

Oefening 4
1.	933	+	653	=	1.586
2.	856	+	603	=	1.459
3.	997	+	798	=	1.795
4.	792	+	299	=	1.091
5.	436	+	327	=	763
6.	951	+	511	=	1.462
7.	754	+	201	=	955
8.	427	+	423	=	850
9.	787	+	682	=	1.469
10.	859	+	383	=	1.242