Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	342	+		=	610
2.	354	+		=	669
3.	360	+		=	535
4.	453	+		=	782
5.	470	+		=	706
6.	333	+		=	484
7.	471	+		=	654
8.	257	+		=	415
9.	456	+		=	835
10.	447	+		=	847

Oefening 2
1.	407	+		=	644
2.	210	+		=	403
3.	476	+		=	701
4.	368	+		=	699
5.	422	+		=	533
6.	282	+		=	545
7.	250	+		=	416
8.	297	+		=	567
9.	300	+		=	423
10.	354	+		=	485

Oefening 3
1.	412	+		=	560
2.	372	+		=	589
3.	360	+		=	504
4.	374	+		=	681
5.	496	+		=	808
6.	427	+		=	688
7.	412	+		=	792
8.	354	+		=	487
9.	362	+		=	617
10.	454	+		=	647

Oefening 4
1.	144	+		=	265
2.	423	+		=	637
3.	393	+		=	731
4.	430	+		=	593
5.	429	+		=	728
6.	174	+		=	280
7.	461	+		=	765
8.	482	+		=	943
9.	424	+		=	685
10.	487	+		=	799

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	342	+	268	=	610
2.	354	+	315	=	669
3.	360	+	175	=	535
4.	453	+	329	=	782
5.	470	+	236	=	706
6.	333	+	151	=	484
7.	471	+	183	=	654
8.	257	+	158	=	415
9.	456	+	379	=	835
10.	447	+	400	=	847

Oefening 2
1.	407	+	237	=	644
2.	210	+	193	=	403
3.	476	+	225	=	701
4.	368	+	331	=	699
5.	422	+	111	=	533
6.	282	+	263	=	545
7.	250	+	166	=	416
8.	297	+	270	=	567
9.	300	+	123	=	423
10.	354	+	131	=	485

Oefening 3
1.	412	+	148	=	560
2.	372	+	217	=	589
3.	360	+	144	=	504
4.	374	+	307	=	681
5.	496	+	312	=	808
6.	427	+	261	=	688
7.	412	+	380	=	792
8.	354	+	133	=	487
9.	362	+	255	=	617
10.	454	+	193	=	647

Oefening 4
1.	144	+	121	=	265
2.	423	+	214	=	637
3.	393	+	338	=	731
4.	430	+	163	=	593
5.	429	+	299	=	728
6.	174	+	106	=	280
7.	461	+	304	=	765
8.	482	+	461	=	943
9.	424	+	261	=	685
10.	487	+	312	=	799