Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	630	+		=	876
2.	895	+		=	1.365
3.	777	+		=	1.236
4.	880	+		=	1.710
5.	767	+		=	1.456
6.	918	+		=	1.603
7.	934	+		=	1.253
8.	890	+		=	1.669
9.	757	+		=	991
10.	782	+		=	1.309

Oefening 2
1.	541	+		=	910
2.	541	+		=	960
3.	458	+		=	762
4.	760	+		=	1.198
5.	538	+		=	767
6.	888	+		=	1.550
7.	591	+		=	791
8.	763	+		=	1.341
9.	643	+		=	1.277
10.	690	+		=	893

Oefening 3
1.	711	+		=	1.122
2.	849	+		=	1.598
3.	966	+		=	1.839
4.	631	+		=	1.053
5.	510	+		=	1.020
6.	642	+		=	1.220
7.	667	+		=	1.233
8.	794	+		=	1.509
9.	993	+		=	1.845
10.	795	+		=	1.199

Oefening 4
1.	950	+		=	1.399
2.	921	+		=	1.534
3.	914	+		=	1.481
4.	947	+		=	1.478
5.	572	+		=	1.092
6.	724	+		=	1.120
7.	934	+		=	1.233
8.	940	+		=	1.800
9.	620	+		=	954
10.	877	+		=	1.110

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	630	+	246	=	876
2.	895	+	470	=	1.365
3.	777	+	459	=	1.236
4.	880	+	830	=	1.710
5.	767	+	689	=	1.456
6.	918	+	685	=	1.603
7.	934	+	319	=	1.253
8.	890	+	779	=	1.669
9.	757	+	234	=	991
10.	782	+	527	=	1.309

Oefening 2
1.	541	+	369	=	910
2.	541	+	419	=	960
3.	458	+	304	=	762
4.	760	+	438	=	1.198
5.	538	+	229	=	767
6.	888	+	662	=	1.550
7.	591	+	200	=	791
8.	763	+	578	=	1.341
9.	643	+	634	=	1.277
10.	690	+	203	=	893

Oefening 3
1.	711	+	411	=	1.122
2.	849	+	749	=	1.598
3.	966	+	873	=	1.839
4.	631	+	422	=	1.053
5.	510	+	510	=	1.020
6.	642	+	578	=	1.220
7.	667	+	566	=	1.233
8.	794	+	715	=	1.509
9.	993	+	852	=	1.845
10.	795	+	404	=	1.199

Oefening 4
1.	950	+	449	=	1.399
2.	921	+	613	=	1.534
3.	914	+	567	=	1.481
4.	947	+	531	=	1.478
5.	572	+	520	=	1.092
6.	724	+	396	=	1.120
7.	934	+	299	=	1.233
8.	940	+	860	=	1.800
9.	620	+	334	=	954
10.	877	+	233	=	1.110