Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	385	+		=	709
2.	886	+		=	1.428
3.	779	+		=	1.273
4.	989	+		=	1.809
5.	861	+		=	1.140
6.	565	+		=	882
7.	909	+		=	1.800
8.	848	+		=	1.115
9.	420	+		=	647
10.	816	+		=	1.075

Oefening 2
1.	788	+		=	1.505
2.	997	+		=	1.302
3.	462	+		=	749
4.	979	+		=	1.402
5.	972	+		=	1.697
6.	690	+		=	1.303
7.	551	+		=	1.087
8.	968	+		=	1.485
9.	835	+		=	1.289
10.	732	+		=	1.245

Oefening 3
1.	744	+		=	1.103
2.	938	+		=	1.200
3.	784	+		=	1.367
4.	546	+		=	881
5.	414	+		=	733
6.	725	+		=	1.170
7.	298	+		=	544
8.	604	+		=	857
9.	849	+		=	1.302
10.	930	+		=	1.373

Oefening 4
1.	921	+		=	1.803
2.	807	+		=	1.428
3.	917	+		=	1.583
4.	453	+		=	711
5.	858	+		=	1.077
6.	868	+		=	1.171
7.	470	+		=	870
8.	932	+		=	1.576
9.	920	+		=	1.406
10.	797	+		=	1.221

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	385	+	324	=	709
2.	886	+	542	=	1.428
3.	779	+	494	=	1.273
4.	989	+	820	=	1.809
5.	861	+	279	=	1.140
6.	565	+	317	=	882
7.	909	+	891	=	1.800
8.	848	+	267	=	1.115
9.	420	+	227	=	647
10.	816	+	259	=	1.075

Oefening 2
1.	788	+	717	=	1.505
2.	997	+	305	=	1.302
3.	462	+	287	=	749
4.	979	+	423	=	1.402
5.	972	+	725	=	1.697
6.	690	+	613	=	1.303
7.	551	+	536	=	1.087
8.	968	+	517	=	1.485
9.	835	+	454	=	1.289
10.	732	+	513	=	1.245

Oefening 3
1.	744	+	359	=	1.103
2.	938	+	262	=	1.200
3.	784	+	583	=	1.367
4.	546	+	335	=	881
5.	414	+	319	=	733
6.	725	+	445	=	1.170
7.	298	+	246	=	544
8.	604	+	253	=	857
9.	849	+	453	=	1.302
10.	930	+	443	=	1.373

Oefening 4
1.	921	+	882	=	1.803
2.	807	+	621	=	1.428
3.	917	+	666	=	1.583
4.	453	+	258	=	711
5.	858	+	219	=	1.077
6.	868	+	303	=	1.171
7.	470	+	400	=	870
8.	932	+	644	=	1.576
9.	920	+	486	=	1.406
10.	797	+	424	=	1.221