Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	279	+		=	548
2.	654	+		=	1.086
3.	949	+		=	1.311
4.	753	+		=	1.281
5.	924	+		=	1.430
6.	715	+		=	1.317
7.	863	+		=	1.552
8.	697	+		=	1.288
9.	715	+		=	1.120
10.	922	+		=	1.182

Oefening 2
1.	737	+		=	1.301
2.	944	+		=	1.161
3.	348	+		=	553
4.	411	+		=	774
5.	601	+		=	1.126
6.	893	+		=	1.316
7.	721	+		=	1.026
8.	765	+		=	1.455
9.	367	+		=	618
10.	400	+		=	701

Oefening 3
1.	922	+		=	1.661
2.	918	+		=	1.456
3.	360	+		=	568
4.	910	+		=	1.478
5.	774	+		=	1.128
6.	919	+		=	1.225
7.	515	+		=	944
8.	525	+		=	812
9.	875	+		=	1.560
10.	967	+		=	1.813

Oefening 4
1.	755	+		=	1.307
2.	983	+		=	1.314
3.	863	+		=	1.194
4.	532	+		=	881
5.	659	+		=	1.104
6.	868	+		=	1.349
7.	710	+		=	1.170
8.	824	+		=	1.373
9.	538	+		=	865
10.	751	+		=	1.242

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	279	+	269	=	548
2.	654	+	432	=	1.086
3.	949	+	362	=	1.311
4.	753	+	528	=	1.281
5.	924	+	506	=	1.430
6.	715	+	602	=	1.317
7.	863	+	689	=	1.552
8.	697	+	591	=	1.288
9.	715	+	405	=	1.120
10.	922	+	260	=	1.182

Oefening 2
1.	737	+	564	=	1.301
2.	944	+	217	=	1.161
3.	348	+	205	=	553
4.	411	+	363	=	774
5.	601	+	525	=	1.126
6.	893	+	423	=	1.316
7.	721	+	305	=	1.026
8.	765	+	690	=	1.455
9.	367	+	251	=	618
10.	400	+	301	=	701

Oefening 3
1.	922	+	739	=	1.661
2.	918	+	538	=	1.456
3.	360	+	208	=	568
4.	910	+	568	=	1.478
5.	774	+	354	=	1.128
6.	919	+	306	=	1.225
7.	515	+	429	=	944
8.	525	+	287	=	812
9.	875	+	685	=	1.560
10.	967	+	846	=	1.813

Oefening 4
1.	755	+	552	=	1.307
2.	983	+	331	=	1.314
3.	863	+	331	=	1.194
4.	532	+	349	=	881
5.	659	+	445	=	1.104
6.	868	+	481	=	1.349
7.	710	+	460	=	1.170
8.	824	+	549	=	1.373
9.	538	+	327	=	865
10.	751	+	491	=	1.242