Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	265	+		=	453
2.	428	+		=	593
3.	469	+		=	674
4.	406	+		=	712
5.	370	+		=	574
6.	298	+		=	531
7.	435	+		=	561
8.	410	+		=	803
9.	375	+		=	627
10.	305	+		=	504

Oefening 2
1.	464	+		=	869
2.	219	+		=	388
3.	198	+		=	310
4.	360	+		=	550
5.	361	+		=	613
6.	442	+		=	815
7.	367	+		=	679
8.	497	+		=	873
9.	362	+		=	640
10.	370	+		=	513

Oefening 3
1.	286	+		=	500
2.	327	+		=	523
3.	216	+		=	331
4.	473	+		=	807
5.	485	+		=	692
6.	254	+		=	415
7.	496	+		=	870
8.	389	+		=	755
9.	444	+		=	596
10.	373	+		=	511

Oefening 4
1.	426	+		=	753
2.	384	+		=	583
3.	124	+		=	245
4.	422	+		=	553
5.	398	+		=	571
6.	427	+		=	538
7.	222	+		=	323
8.	271	+		=	534
9.	420	+		=	748
10.	215	+		=	355

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	265	+	188	=	453
2.	428	+	165	=	593
3.	469	+	205	=	674
4.	406	+	306	=	712
5.	370	+	204	=	574
6.	298	+	233	=	531
7.	435	+	126	=	561
8.	410	+	393	=	803
9.	375	+	252	=	627
10.	305	+	199	=	504

Oefening 2
1.	464	+	405	=	869
2.	219	+	169	=	388
3.	198	+	112	=	310
4.	360	+	190	=	550
5.	361	+	252	=	613
6.	442	+	373	=	815
7.	367	+	312	=	679
8.	497	+	376	=	873
9.	362	+	278	=	640
10.	370	+	143	=	513

Oefening 3
1.	286	+	214	=	500
2.	327	+	196	=	523
3.	216	+	115	=	331
4.	473	+	334	=	807
5.	485	+	207	=	692
6.	254	+	161	=	415
7.	496	+	374	=	870
8.	389	+	366	=	755
9.	444	+	152	=	596
10.	373	+	138	=	511

Oefening 4
1.	426	+	327	=	753
2.	384	+	199	=	583
3.	124	+	121	=	245
4.	422	+	131	=	553
5.	398	+	173	=	571
6.	427	+	111	=	538
7.	222	+	101	=	323
8.	271	+	263	=	534
9.	420	+	328	=	748
10.	215	+	140	=	355