Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	413	+		=	611
2.	302	+		=	591
3.	404	+		=	528
4.	274	+		=	465
5.	442	+		=	695
6.	289	+		=	406
7.	179	+		=	345
8.	253	+		=	369
9.	396	+		=	582
10.	366	+		=	528

Oefening 2
1.	390	+		=	753
2.	442	+		=	786
3.	386	+		=	636
4.	170	+		=	301
5.	254	+		=	451
6.	368	+		=	595
7.	467	+		=	830
8.	171	+		=	314
9.	421	+		=	594
10.	353	+		=	553

Oefening 3
1.	396	+		=	644
2.	255	+		=	481
3.	440	+		=	639
4.	393	+		=	703
5.	376	+		=	624
6.	466	+		=	759
7.	280	+		=	526
8.	254	+		=	431
9.	401	+		=	780
10.	481	+		=	661

Oefening 4
1.	217	+		=	330
2.	384	+		=	734
3.	189	+		=	358
4.	341	+		=	505
5.	441	+		=	849
6.	281	+		=	545
7.	184	+		=	367
8.	204	+		=	392
9.	464	+		=	613
10.	287	+		=	443

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	413	+	198	=	611
2.	302	+	289	=	591
3.	404	+	124	=	528
4.	274	+	191	=	465
5.	442	+	253	=	695
6.	289	+	117	=	406
7.	179	+	166	=	345
8.	253	+	116	=	369
9.	396	+	186	=	582
10.	366	+	162	=	528

Oefening 2
1.	390	+	363	=	753
2.	442	+	344	=	786
3.	386	+	250	=	636
4.	170	+	131	=	301
5.	254	+	197	=	451
6.	368	+	227	=	595
7.	467	+	363	=	830
8.	171	+	143	=	314
9.	421	+	173	=	594
10.	353	+	200	=	553

Oefening 3
1.	396	+	248	=	644
2.	255	+	226	=	481
3.	440	+	199	=	639
4.	393	+	310	=	703
5.	376	+	248	=	624
6.	466	+	293	=	759
7.	280	+	246	=	526
8.	254	+	177	=	431
9.	401	+	379	=	780
10.	481	+	180	=	661

Oefening 4
1.	217	+	113	=	330
2.	384	+	350	=	734
3.	189	+	169	=	358
4.	341	+	164	=	505
5.	441	+	408	=	849
6.	281	+	264	=	545
7.	184	+	183	=	367
8.	204	+	188	=	392
9.	464	+	149	=	613
10.	287	+	156	=	443