Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	255	+		=	458
2.	731	+		=	1.383
3.	717	+		=	1.320
4.	810	+		=	1.055
5.	646	+		=	1.090
6.	966	+		=	1.254
7.	915	+		=	1.421
8.	742	+		=	1.027
9.	568	+		=	916
10.	939	+		=	1.392

Oefening 2
1.	606	+		=	822
2.	567	+		=	815
3.	905	+		=	1.243
4.	746	+		=	952
5.	822	+		=	1.197
6.	860	+		=	1.244
7.	741	+		=	1.190
8.	789	+		=	1.179
9.	992	+		=	1.479
10.	909	+		=	1.153

Oefening 3
1.	606	+		=	979
2.	885	+		=	1.396
3.	893	+		=	1.358
4.	855	+		=	1.473
5.	721	+		=	1.247
6.	870	+		=	1.651
7.	271	+		=	525
8.	410	+		=	795
9.	453	+		=	849
10.	967	+		=	1.199

Oefening 4
1.	957	+		=	1.758
2.	886	+		=	1.549
3.	688	+		=	985
4.	999	+		=	1.998
5.	649	+		=	974
6.	555	+		=	822
7.	312	+		=	532
8.	413	+		=	644
9.	891	+		=	1.217
10.	750	+		=	962

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	255	+	203	=	458
2.	731	+	652	=	1.383
3.	717	+	603	=	1.320
4.	810	+	245	=	1.055
5.	646	+	444	=	1.090
6.	966	+	288	=	1.254
7.	915	+	506	=	1.421
8.	742	+	285	=	1.027
9.	568	+	348	=	916
10.	939	+	453	=	1.392

Oefening 2
1.	606	+	216	=	822
2.	567	+	248	=	815
3.	905	+	338	=	1.243
4.	746	+	206	=	952
5.	822	+	375	=	1.197
6.	860	+	384	=	1.244
7.	741	+	449	=	1.190
8.	789	+	390	=	1.179
9.	992	+	487	=	1.479
10.	909	+	244	=	1.153

Oefening 3
1.	606	+	373	=	979
2.	885	+	511	=	1.396
3.	893	+	465	=	1.358
4.	855	+	618	=	1.473
5.	721	+	526	=	1.247
6.	870	+	781	=	1.651
7.	271	+	254	=	525
8.	410	+	385	=	795
9.	453	+	396	=	849
10.	967	+	232	=	1.199

Oefening 4
1.	957	+	801	=	1.758
2.	886	+	663	=	1.549
3.	688	+	297	=	985
4.	999	+	999	=	1.998
5.	649	+	325	=	974
6.	555	+	267	=	822
7.	312	+	220	=	532
8.	413	+	231	=	644
9.	891	+	326	=	1.217
10.	750	+	212	=	962