Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	495	+		=	718
2.	211	+		=	315
3.	429	+		=	841
4.	500	+		=	702
5.	491	+		=	759
6.	264	+		=	376
7.	485	+		=	902
8.	358	+		=	499
9.	189	+		=	362
10.	475	+		=	758

Oefening 2
1.	315	+		=	473
2.	421	+		=	583
3.	132	+		=	248
4.	280	+		=	527
5.	340	+		=	499
6.	481	+		=	810
7.	360	+		=	602
8.	480	+		=	749
9.	330	+		=	541
10.	282	+		=	540

Oefening 3
1.	493	+		=	978
2.	307	+		=	565
3.	250	+		=	387
4.	406	+		=	693
5.	350	+		=	632
6.	204	+		=	328
7.	487	+		=	948
8.	153	+		=	261
9.	480	+		=	919
10.	468	+		=	633

Oefening 4
1.	303	+		=	588
2.	399	+		=	570
3.	437	+		=	654
4.	448	+		=	551
5.	417	+		=	719
6.	447	+		=	820
7.	390	+		=	741
8.	156	+		=	287
9.	158	+		=	292
10.	463	+		=	643

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	495	+	223	=	718
2.	211	+	104	=	315
3.	429	+	412	=	841
4.	500	+	202	=	702
5.	491	+	268	=	759
6.	264	+	112	=	376
7.	485	+	417	=	902
8.	358	+	141	=	499
9.	189	+	173	=	362
10.	475	+	283	=	758

Oefening 2
1.	315	+	158	=	473
2.	421	+	162	=	583
3.	132	+	116	=	248
4.	280	+	247	=	527
5.	340	+	159	=	499
6.	481	+	329	=	810
7.	360	+	242	=	602
8.	480	+	269	=	749
9.	330	+	211	=	541
10.	282	+	258	=	540

Oefening 3
1.	493	+	485	=	978
2.	307	+	258	=	565
3.	250	+	137	=	387
4.	406	+	287	=	693
5.	350	+	282	=	632
6.	204	+	124	=	328
7.	487	+	461	=	948
8.	153	+	108	=	261
9.	480	+	439	=	919
10.	468	+	165	=	633

Oefening 4
1.	303	+	285	=	588
2.	399	+	171	=	570
3.	437	+	217	=	654
4.	448	+	103	=	551
5.	417	+	302	=	719
6.	447	+	373	=	820
7.	390	+	351	=	741
8.	156	+	131	=	287
9.	158	+	134	=	292
10.	463	+	180	=	643