Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	764	+		=	1.211
2.	568	+		=	885
3.	693	+		=	918
4.	670	+		=	1.078
5.	976	+		=	1.298
6.	311	+		=	610
7.	741	+		=	1.204
8.	731	+		=	1.427
9.	649	+		=	1.168
10.	797	+		=	1.520

Oefening 2
1.	544	+		=	799
2.	766	+		=	1.299
3.	603	+		=	1.069
4.	469	+		=	933
5.	568	+		=	846
6.	836	+		=	1.571
7.	882	+		=	1.201
8.	671	+		=	895
9.	775	+		=	1.092
10.	853	+		=	1.189

Oefening 3
1.	957	+		=	1.906
2.	863	+		=	1.396
3.	923	+		=	1.357
4.	680	+		=	1.321
5.	877	+		=	1.334
6.	543	+		=	905
7.	481	+		=	850
8.	742	+		=	1.325
9.	904	+		=	1.570
10.	835	+		=	1.496

Oefening 4
1.	926	+		=	1.200
2.	557	+		=	784
3.	832	+		=	1.339
4.	969	+		=	1.814
5.	306	+		=	599
6.	942	+		=	1.319
7.	438	+		=	727
8.	755	+		=	1.027
9.	788	+		=	1.091
10.	927	+		=	1.332

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	764	+	447	=	1.211
2.	568	+	317	=	885
3.	693	+	225	=	918
4.	670	+	408	=	1.078
5.	976	+	322	=	1.298
6.	311	+	299	=	610
7.	741	+	463	=	1.204
8.	731	+	696	=	1.427
9.	649	+	519	=	1.168
10.	797	+	723	=	1.520

Oefening 2
1.	544	+	255	=	799
2.	766	+	533	=	1.299
3.	603	+	466	=	1.069
4.	469	+	464	=	933
5.	568	+	278	=	846
6.	836	+	735	=	1.571
7.	882	+	319	=	1.201
8.	671	+	224	=	895
9.	775	+	317	=	1.092
10.	853	+	336	=	1.189

Oefening 3
1.	957	+	949	=	1.906
2.	863	+	533	=	1.396
3.	923	+	434	=	1.357
4.	680	+	641	=	1.321
5.	877	+	457	=	1.334
6.	543	+	362	=	905
7.	481	+	369	=	850
8.	742	+	583	=	1.325
9.	904	+	666	=	1.570
10.	835	+	661	=	1.496

Oefening 4
1.	926	+	274	=	1.200
2.	557	+	227	=	784
3.	832	+	507	=	1.339
4.	969	+	845	=	1.814
5.	306	+	293	=	599
6.	942	+	377	=	1.319
7.	438	+	289	=	727
8.	755	+	272	=	1.027
9.	788	+	303	=	1.091
10.	927	+	405	=	1.332