Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	493	+		=	924
2.	162	+		=	288
3.	494	+		=	952
4.	317	+		=	473
5.	248	+		=	472
6.	468	+		=	771
7.	408	+		=	789
8.	403	+		=	762
9.	357	+		=	491
10.	382	+		=	598

Oefening 2
1.	340	+		=	512
2.	343	+		=	526
3.	210	+		=	357
4.	438	+		=	612
5.	224	+		=	428
6.	476	+		=	838
7.	377	+		=	518
8.	406	+		=	536
9.	370	+		=	551
10.	404	+		=	504

Oefening 3
1.	358	+		=	487
2.	466	+		=	748
3.	496	+		=	808
4.	451	+		=	640
5.	447	+		=	643
6.	238	+		=	427
7.	410	+		=	626
8.	421	+		=	548
9.	441	+		=	711
10.	334	+		=	464

Oefening 4
1.	214	+		=	325
2.	306	+		=	415
3.	229	+		=	443
4.	270	+		=	478
5.	447	+		=	882
6.	255	+		=	405
7.	315	+		=	605
8.	373	+		=	586
9.	304	+		=	547
10.	314	+		=	426

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	493	+	431	=	924
2.	162	+	126	=	288
3.	494	+	458	=	952
4.	317	+	156	=	473
5.	248	+	224	=	472
6.	468	+	303	=	771
7.	408	+	381	=	789
8.	403	+	359	=	762
9.	357	+	134	=	491
10.	382	+	216	=	598

Oefening 2
1.	340	+	172	=	512
2.	343	+	183	=	526
3.	210	+	147	=	357
4.	438	+	174	=	612
5.	224	+	204	=	428
6.	476	+	362	=	838
7.	377	+	141	=	518
8.	406	+	130	=	536
9.	370	+	181	=	551
10.	404	+	100	=	504

Oefening 3
1.	358	+	129	=	487
2.	466	+	282	=	748
3.	496	+	312	=	808
4.	451	+	189	=	640
5.	447	+	196	=	643
6.	238	+	189	=	427
7.	410	+	216	=	626
8.	421	+	127	=	548
9.	441	+	270	=	711
10.	334	+	130	=	464

Oefening 4
1.	214	+	111	=	325
2.	306	+	109	=	415
3.	229	+	214	=	443
4.	270	+	208	=	478
5.	447	+	435	=	882
6.	255	+	150	=	405
7.	315	+	290	=	605
8.	373	+	213	=	586
9.	304	+	243	=	547
10.	314	+	112	=	426