Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	428	+		=	823
2.	423	+		=	692
3.	441	+		=	695
4.	420	+		=	708
5.	455	+		=	866
6.	393	+		=	557
7.	208	+		=	341
8.	421	+		=	681
9.	331	+		=	445
10.	337	+		=	574

Oefening 2
1.	456	+		=	871
2.	148	+		=	279
3.	380	+		=	488
4.	454	+		=	845
5.	488	+		=	804
6.	325	+		=	467
7.	165	+		=	295
8.	314	+		=	417
9.	488	+		=	861
10.	151	+		=	278

Oefening 3
1.	313	+		=	496
2.	297	+		=	465
3.	438	+		=	744
4.	429	+		=	559
5.	187	+		=	328
6.	421	+		=	837
7.	290	+		=	398
8.	467	+		=	633
9.	195	+		=	359
10.	467	+		=	853

Oefening 4
1.	414	+		=	525
2.	371	+		=	652
3.	399	+		=	782
4.	453	+		=	711
5.	400	+		=	520
6.	497	+		=	642
7.	455	+		=	586
8.	210	+		=	384
9.	249	+		=	488
10.	403	+		=	658

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	428	+	395	=	823
2.	423	+	269	=	692
3.	441	+	254	=	695
4.	420	+	288	=	708
5.	455	+	411	=	866
6.	393	+	164	=	557
7.	208	+	133	=	341
8.	421	+	260	=	681
9.	331	+	114	=	445
10.	337	+	237	=	574

Oefening 2
1.	456	+	415	=	871
2.	148	+	131	=	279
3.	380	+	108	=	488
4.	454	+	391	=	845
5.	488	+	316	=	804
6.	325	+	142	=	467
7.	165	+	130	=	295
8.	314	+	103	=	417
9.	488	+	373	=	861
10.	151	+	127	=	278

Oefening 3
1.	313	+	183	=	496
2.	297	+	168	=	465
3.	438	+	306	=	744
4.	429	+	130	=	559
5.	187	+	141	=	328
6.	421	+	416	=	837
7.	290	+	108	=	398
8.	467	+	166	=	633
9.	195	+	164	=	359
10.	467	+	386	=	853

Oefening 4
1.	414	+	111	=	525
2.	371	+	281	=	652
3.	399	+	383	=	782
4.	453	+	258	=	711
5.	400	+	120	=	520
6.	497	+	145	=	642
7.	455	+	131	=	586
8.	210	+	174	=	384
9.	249	+	239	=	488
10.	403	+	255	=	658