Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	890	+		=	1.177
2.	891	+		=	1.324
3.	471	+		=	737
4.	352	+		=	615
5.	296	+		=	519
6.	860	+		=	1.249
7.	632	+		=	1.096
8.	802	+		=	1.176
9.	969	+		=	1.654
10.	676	+		=	1.120

Oefening 2
1.	401	+		=	605
2.	869	+		=	1.107
3.	597	+		=	1.108
4.	294	+		=	536
5.	878	+		=	1.367
6.	612	+		=	1.061
7.	644	+		=	1.155
8.	706	+		=	934
9.	859	+		=	1.465
10.	375	+		=	604

Oefening 3
1.	897	+		=	1.168
2.	966	+		=	1.434
3.	383	+		=	593
4.	361	+		=	633
5.	846	+		=	1.512
6.	824	+		=	1.584
7.	777	+		=	1.436
8.	797	+		=	1.033
9.	741	+		=	994
10.	747	+		=	1.281

Oefening 4
1.	684	+		=	1.003
2.	493	+		=	876
3.	706	+		=	1.051
4.	833	+		=	1.515
5.	656	+		=	1.043
6.	643	+		=	1.244
7.	555	+		=	918
8.	916	+		=	1.291
9.	943	+		=	1.281
10.	394	+		=	734

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	890	+	287	=	1.177
2.	891	+	433	=	1.324
3.	471	+	266	=	737
4.	352	+	263	=	615
5.	296	+	223	=	519
6.	860	+	389	=	1.249
7.	632	+	464	=	1.096
8.	802	+	374	=	1.176
9.	969	+	685	=	1.654
10.	676	+	444	=	1.120

Oefening 2
1.	401	+	204	=	605
2.	869	+	238	=	1.107
3.	597	+	511	=	1.108
4.	294	+	242	=	536
5.	878	+	489	=	1.367
6.	612	+	449	=	1.061
7.	644	+	511	=	1.155
8.	706	+	228	=	934
9.	859	+	606	=	1.465
10.	375	+	229	=	604

Oefening 3
1.	897	+	271	=	1.168
2.	966	+	468	=	1.434
3.	383	+	210	=	593
4.	361	+	272	=	633
5.	846	+	666	=	1.512
6.	824	+	760	=	1.584
7.	777	+	659	=	1.436
8.	797	+	236	=	1.033
9.	741	+	253	=	994
10.	747	+	534	=	1.281

Oefening 4
1.	684	+	319	=	1.003
2.	493	+	383	=	876
3.	706	+	345	=	1.051
4.	833	+	682	=	1.515
5.	656	+	387	=	1.043
6.	643	+	601	=	1.244
7.	555	+	363	=	918
8.	916	+	375	=	1.291
9.	943	+	338	=	1.281
10.	394	+	340	=	734