Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	518	+		=	816
2.	723	+		=	967
3.	419	+		=	764
4.	975	+		=	1.821
5.	537	+		=	855
6.	616	+		=	1.051
7.	610	+		=	906
8.	858	+		=	1.669
9.	944	+		=	1.530
10.	995	+		=	1.694

Oefening 2
1.	488	+		=	767
2.	987	+		=	1.606
3.	965	+		=	1.269
4.	1.000	+		=	1.851
5.	394	+		=	710
6.	981	+		=	1.927
7.	649	+		=	1.228
8.	752	+		=	1.009
9.	716	+		=	1.083
10.	959	+		=	1.194

Oefening 3
1.	692	+		=	1.359
2.	544	+		=	857
3.	703	+		=	1.121
4.	371	+		=	649
5.	792	+		=	1.384
6.	908	+		=	1.425
7.	798	+		=	1.020
8.	977	+		=	1.675
9.	879	+		=	1.105
10.	702	+		=	1.209

Oefening 4
1.	898	+		=	1.787
2.	989	+		=	1.239
3.	831	+		=	1.370
4.	652	+		=	953
5.	782	+		=	1.042
6.	749	+		=	1.269
7.	603	+		=	860
8.	462	+		=	846
9.	934	+		=	1.866
10.	690	+		=	1.376

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	518	+	298	=	816
2.	723	+	244	=	967
3.	419	+	345	=	764
4.	975	+	846	=	1.821
5.	537	+	318	=	855
6.	616	+	435	=	1.051
7.	610	+	296	=	906
8.	858	+	811	=	1.669
9.	944	+	586	=	1.530
10.	995	+	699	=	1.694

Oefening 2
1.	488	+	279	=	767
2.	987	+	619	=	1.606
3.	965	+	304	=	1.269
4.	1.000	+	851	=	1.851
5.	394	+	316	=	710
6.	981	+	946	=	1.927
7.	649	+	579	=	1.228
8.	752	+	257	=	1.009
9.	716	+	367	=	1.083
10.	959	+	235	=	1.194

Oefening 3
1.	692	+	667	=	1.359
2.	544	+	313	=	857
3.	703	+	418	=	1.121
4.	371	+	278	=	649
5.	792	+	592	=	1.384
6.	908	+	517	=	1.425
7.	798	+	222	=	1.020
8.	977	+	698	=	1.675
9.	879	+	226	=	1.105
10.	702	+	507	=	1.209

Oefening 4
1.	898	+	889	=	1.787
2.	989	+	250	=	1.239
3.	831	+	539	=	1.370
4.	652	+	301	=	953
5.	782	+	260	=	1.042
6.	749	+	520	=	1.269
7.	603	+	257	=	860
8.	462	+	384	=	846
9.	934	+	932	=	1.866
10.	690	+	686	=	1.376