Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	333	+		=	613
2.	453	+		=	644
3.	243	+		=	482
4.	388	+		=	694
5.	448	+		=	894
6.	357	+		=	498
7.	392	+		=	692
8.	460	+		=	802
9.	298	+		=	533
10.	382	+		=	712

Oefening 2
1.	343	+		=	663
2.	357	+		=	654
3.	280	+		=	465
4.	326	+		=	550
5.	393	+		=	568
6.	218	+		=	378
7.	474	+		=	815
8.	473	+		=	936
9.	417	+		=	639
10.	479	+		=	669

Oefening 3
1.	250	+		=	410
2.	401	+		=	576
3.	472	+		=	659
4.	119	+		=	224
5.	421	+		=	697
6.	185	+		=	289
7.	473	+		=	859
8.	442	+		=	667
9.	340	+		=	654
10.	403	+		=	523

Oefening 4
1.	490	+		=	799
2.	447	+		=	737
3.	482	+		=	785
4.	272	+		=	443
5.	412	+		=	548
6.	489	+		=	745
7.	276	+		=	410
8.	377	+		=	636
9.	384	+		=	656
10.	245	+		=	371

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	333	+	280	=	613
2.	453	+	191	=	644
3.	243	+	239	=	482
4.	388	+	306	=	694
5.	448	+	446	=	894
6.	357	+	141	=	498
7.	392	+	300	=	692
8.	460	+	342	=	802
9.	298	+	235	=	533
10.	382	+	330	=	712

Oefening 2
1.	343	+	320	=	663
2.	357	+	297	=	654
3.	280	+	185	=	465
4.	326	+	224	=	550
5.	393	+	175	=	568
6.	218	+	160	=	378
7.	474	+	341	=	815
8.	473	+	463	=	936
9.	417	+	222	=	639
10.	479	+	190	=	669

Oefening 3
1.	250	+	160	=	410
2.	401	+	175	=	576
3.	472	+	187	=	659
4.	119	+	105	=	224
5.	421	+	276	=	697
6.	185	+	104	=	289
7.	473	+	386	=	859
8.	442	+	225	=	667
9.	340	+	314	=	654
10.	403	+	120	=	523

Oefening 4
1.	490	+	309	=	799
2.	447	+	290	=	737
3.	482	+	303	=	785
4.	272	+	171	=	443
5.	412	+	136	=	548
6.	489	+	256	=	745
7.	276	+	134	=	410
8.	377	+	259	=	636
9.	384	+	272	=	656
10.	245	+	126	=	371