Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	802	+		=	1.582
2.	360	+		=	574
3.	796	+		=	1.103
4.	437	+		=	830
5.	622	+		=	877
6.	997	+		=	1.491
7.	677	+		=	1.076
8.	555	+		=	1.073
9.	914	+		=	1.291
10.	991	+		=	1.226

Oefening 2
1.	831	+		=	1.627
2.	696	+		=	1.067
3.	953	+		=	1.219
4.	413	+		=	820
5.	574	+		=	890
6.	810	+		=	1.199
7.	592	+		=	909
8.	800	+		=	1.068
9.	753	+		=	1.117
10.	956	+		=	1.221

Oefening 3
1.	473	+		=	777
2.	969	+		=	1.460
3.	688	+		=	1.140
4.	736	+		=	1.044
5.	591	+		=	1.106
6.	485	+		=	796
7.	869	+		=	1.404
8.	487	+		=	760
9.	854	+		=	1.112
10.	613	+		=	862

Oefening 4
1.	937	+		=	1.874
2.	722	+		=	1.284
3.	853	+		=	1.300
4.	530	+		=	917
5.	677	+		=	1.161
6.	815	+		=	1.063
7.	958	+		=	1.767
8.	709	+		=	1.110
9.	957	+		=	1.872
10.	616	+		=	1.066

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	802	+	780	=	1.582
2.	360	+	214	=	574
3.	796	+	307	=	1.103
4.	437	+	393	=	830
5.	622	+	255	=	877
6.	997	+	494	=	1.491
7.	677	+	399	=	1.076
8.	555	+	518	=	1.073
9.	914	+	377	=	1.291
10.	991	+	235	=	1.226

Oefening 2
1.	831	+	796	=	1.627
2.	696	+	371	=	1.067
3.	953	+	266	=	1.219
4.	413	+	407	=	820
5.	574	+	316	=	890
6.	810	+	389	=	1.199
7.	592	+	317	=	909
8.	800	+	268	=	1.068
9.	753	+	364	=	1.117
10.	956	+	265	=	1.221

Oefening 3
1.	473	+	304	=	777
2.	969	+	491	=	1.460
3.	688	+	452	=	1.140
4.	736	+	308	=	1.044
5.	591	+	515	=	1.106
6.	485	+	311	=	796
7.	869	+	535	=	1.404
8.	487	+	273	=	760
9.	854	+	258	=	1.112
10.	613	+	249	=	862

Oefening 4
1.	937	+	937	=	1.874
2.	722	+	562	=	1.284
3.	853	+	447	=	1.300
4.	530	+	387	=	917
5.	677	+	484	=	1.161
6.	815	+	248	=	1.063
7.	958	+	809	=	1.767
8.	709	+	401	=	1.110
9.	957	+	915	=	1.872
10.	616	+	450	=	1.066