Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	326	+		=	629
2.	318	+		=	467
3.	217	+		=	338
4.	437	+		=	580
5.	308	+		=	464
6.	201	+		=	305
7.	273	+		=	457
8.	491	+		=	600
9.	322	+		=	587
10.	361	+		=	530

Oefening 2
1.	431	+		=	655
2.	218	+		=	360
3.	173	+		=	291
4.	389	+		=	549
5.	442	+		=	640
6.	208	+		=	393
7.	321	+		=	462
8.	404	+		=	766
9.	143	+		=	281
10.	346	+		=	650

Oefening 3
1.	465	+		=	854
2.	463	+		=	728
3.	393	+		=	659
4.	494	+		=	627
5.	494	+		=	801
6.	324	+		=	531
7.	326	+		=	610
8.	289	+		=	552
9.	471	+		=	917
10.	376	+		=	541

Oefening 4
1.	286	+		=	549
2.	497	+		=	736
3.	350	+		=	580
4.	496	+		=	900
5.	419	+		=	731
6.	411	+		=	527
7.	493	+		=	731
8.	427	+		=	792
9.	384	+		=	617
10.	349	+		=	609

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	326	+	303	=	629
2.	318	+	149	=	467
3.	217	+	121	=	338
4.	437	+	143	=	580
5.	308	+	156	=	464
6.	201	+	104	=	305
7.	273	+	184	=	457
8.	491	+	109	=	600
9.	322	+	265	=	587
10.	361	+	169	=	530

Oefening 2
1.	431	+	224	=	655
2.	218	+	142	=	360
3.	173	+	118	=	291
4.	389	+	160	=	549
5.	442	+	198	=	640
6.	208	+	185	=	393
7.	321	+	141	=	462
8.	404	+	362	=	766
9.	143	+	138	=	281
10.	346	+	304	=	650

Oefening 3
1.	465	+	389	=	854
2.	463	+	265	=	728
3.	393	+	266	=	659
4.	494	+	133	=	627
5.	494	+	307	=	801
6.	324	+	207	=	531
7.	326	+	284	=	610
8.	289	+	263	=	552
9.	471	+	446	=	917
10.	376	+	165	=	541

Oefening 4
1.	286	+	263	=	549
2.	497	+	239	=	736
3.	350	+	230	=	580
4.	496	+	404	=	900
5.	419	+	312	=	731
6.	411	+	116	=	527
7.	493	+	238	=	731
8.	427	+	365	=	792
9.	384	+	233	=	617
10.	349	+	260	=	609