Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	377	+		=	661
2.	478	+		=	807
3.	150	+		=	277
4.	247	+		=	466
5.	187	+		=	342
6.	456	+		=	604
7.	389	+		=	535
8.	424	+		=	552
9.	368	+		=	561
10.	389	+		=	490

Oefening 2
1.	143	+		=	283
2.	176	+		=	288
3.	341	+		=	551
4.	453	+		=	572
5.	301	+		=	442
6.	196	+		=	390
7.	394	+		=	628
8.	379	+		=	544
9.	256	+		=	407
10.	261	+		=	402

Oefening 3
1.	274	+		=	415
2.	333	+		=	608
3.	490	+		=	597
4.	440	+		=	847
5.	214	+		=	336
6.	364	+		=	597
7.	420	+		=	817
8.	295	+		=	526
9.	466	+		=	905
10.	327	+		=	506

Oefening 4
1.	443	+		=	829
2.	466	+		=	702
3.	263	+		=	419
4.	394	+		=	657
5.	481	+		=	641
6.	495	+		=	750
7.	449	+		=	741
8.	381	+		=	598
9.	481	+		=	608
10.	414	+		=	728

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	377	+	284	=	661
2.	478	+	329	=	807
3.	150	+	127	=	277
4.	247	+	219	=	466
5.	187	+	155	=	342
6.	456	+	148	=	604
7.	389	+	146	=	535
8.	424	+	128	=	552
9.	368	+	193	=	561
10.	389	+	101	=	490

Oefening 2
1.	143	+	140	=	283
2.	176	+	112	=	288
3.	341	+	210	=	551
4.	453	+	119	=	572
5.	301	+	141	=	442
6.	196	+	194	=	390
7.	394	+	234	=	628
8.	379	+	165	=	544
9.	256	+	151	=	407
10.	261	+	141	=	402

Oefening 3
1.	274	+	141	=	415
2.	333	+	275	=	608
3.	490	+	107	=	597
4.	440	+	407	=	847
5.	214	+	122	=	336
6.	364	+	233	=	597
7.	420	+	397	=	817
8.	295	+	231	=	526
9.	466	+	439	=	905
10.	327	+	179	=	506

Oefening 4
1.	443	+	386	=	829
2.	466	+	236	=	702
3.	263	+	156	=	419
4.	394	+	263	=	657
5.	481	+	160	=	641
6.	495	+	255	=	750
7.	449	+	292	=	741
8.	381	+	217	=	598
9.	481	+	127	=	608
10.	414	+	314	=	728