Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	566	+		=	793
2.	522	+		=	810
3.	725	+		=	1.398
4.	567	+		=	987
5.	864	+		=	1.716
6.	961	+		=	1.223
7.	950	+		=	1.287
8.	472	+		=	898
9.	844	+		=	1.621
10.	710	+		=	1.092

Oefening 2
1.	449	+		=	754
2.	755	+		=	1.289
3.	266	+		=	473
4.	845	+		=	1.511
5.	647	+		=	1.137
6.	555	+		=	1.053
7.	679	+		=	1.269
8.	568	+		=	1.010
9.	857	+		=	1.193
10.	860	+		=	1.641

Oefening 3
1.	828	+		=	1.315
2.	894	+		=	1.352
3.	851	+		=	1.527
4.	967	+		=	1.421
5.	1.000	+		=	1.283
6.	527	+		=	881
7.	756	+		=	1.139
8.	894	+		=	1.712
9.	853	+		=	1.073
10.	550	+		=	1.084

Oefening 4
1.	776	+		=	1.161
2.	870	+		=	1.189
3.	703	+		=	1.043
4.	769	+		=	1.465
5.	578	+		=	1.036
6.	506	+		=	1.004
7.	917	+		=	1.361
8.	985	+		=	1.538
9.	611	+		=	897
10.	569	+		=	786

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	566	+	227	=	793
2.	522	+	288	=	810
3.	725	+	673	=	1.398
4.	567	+	420	=	987
5.	864	+	852	=	1.716
6.	961	+	262	=	1.223
7.	950	+	337	=	1.287
8.	472	+	426	=	898
9.	844	+	777	=	1.621
10.	710	+	382	=	1.092

Oefening 2
1.	449	+	305	=	754
2.	755	+	534	=	1.289
3.	266	+	207	=	473
4.	845	+	666	=	1.511
5.	647	+	490	=	1.137
6.	555	+	498	=	1.053
7.	679	+	590	=	1.269
8.	568	+	442	=	1.010
9.	857	+	336	=	1.193
10.	860	+	781	=	1.641

Oefening 3
1.	828	+	487	=	1.315
2.	894	+	458	=	1.352
3.	851	+	676	=	1.527
4.	967	+	454	=	1.421
5.	1.000	+	283	=	1.283
6.	527	+	354	=	881
7.	756	+	383	=	1.139
8.	894	+	818	=	1.712
9.	853	+	220	=	1.073
10.	550	+	534	=	1.084

Oefening 4
1.	776	+	385	=	1.161
2.	870	+	319	=	1.189
3.	703	+	340	=	1.043
4.	769	+	696	=	1.465
5.	578	+	458	=	1.036
6.	506	+	498	=	1.004
7.	917	+	444	=	1.361
8.	985	+	553	=	1.538
9.	611	+	286	=	897
10.	569	+	217	=	786