Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	487	+		=	609
2.	405	+		=	793
3.	306	+		=	415
4.	340	+		=	505
5.	500	+		=	676
6.	279	+		=	384
7.	483	+		=	696
8.	236	+		=	407
9.	311	+		=	557
10.	305	+		=	521

Oefening 2
1.	342	+		=	471
2.	293	+		=	465
3.	453	+		=	806
4.	484	+		=	643
5.	384	+		=	493
6.	297	+		=	435
7.	342	+		=	521
8.	485	+		=	766
9.	395	+		=	633
10.	361	+		=	609

Oefening 3
1.	480	+		=	942
2.	328	+		=	514
3.	418	+		=	681
4.	342	+		=	635
5.	445	+		=	592
6.	163	+		=	264
7.	471	+		=	839
8.	270	+		=	516
9.	246	+		=	433
10.	451	+		=	632

Oefening 4
1.	404	+		=	759
2.	435	+		=	760
3.	381	+		=	604
4.	338	+		=	465
5.	468	+		=	862
6.	395	+		=	620
7.	394	+		=	568
8.	451	+		=	668
9.	428	+		=	618
10.	420	+		=	776

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	487	+	122	=	609
2.	405	+	388	=	793
3.	306	+	109	=	415
4.	340	+	165	=	505
5.	500	+	176	=	676
6.	279	+	105	=	384
7.	483	+	213	=	696
8.	236	+	171	=	407
9.	311	+	246	=	557
10.	305	+	216	=	521

Oefening 2
1.	342	+	129	=	471
2.	293	+	172	=	465
3.	453	+	353	=	806
4.	484	+	159	=	643
5.	384	+	109	=	493
6.	297	+	138	=	435
7.	342	+	179	=	521
8.	485	+	281	=	766
9.	395	+	238	=	633
10.	361	+	248	=	609

Oefening 3
1.	480	+	462	=	942
2.	328	+	186	=	514
3.	418	+	263	=	681
4.	342	+	293	=	635
5.	445	+	147	=	592
6.	163	+	101	=	264
7.	471	+	368	=	839
8.	270	+	246	=	516
9.	246	+	187	=	433
10.	451	+	181	=	632

Oefening 4
1.	404	+	355	=	759
2.	435	+	325	=	760
3.	381	+	223	=	604
4.	338	+	127	=	465
5.	468	+	394	=	862
6.	395	+	225	=	620
7.	394	+	174	=	568
8.	451	+	217	=	668
9.	428	+	190	=	618
10.	420	+	356	=	776