Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	385	+		=	641
2.	552	+		=	985
3.	871	+		=	1.725
4.	643	+		=	1.284
5.	791	+		=	1.185
6.	660	+		=	1.173
7.	955	+		=	1.235
8.	600	+		=	1.123
9.	581	+		=	1.050
10.	669	+		=	1.059

Oefening 2
1.	765	+		=	1.302
2.	675	+		=	1.151
3.	940	+		=	1.466
4.	373	+		=	663
5.	485	+		=	961
6.	588	+		=	828
7.	377	+		=	647
8.	438	+		=	695
9.	980	+		=	1.574
10.	444	+		=	886

Oefening 3
1.	617	+		=	1.000
2.	819	+		=	1.607
3.	867	+		=	1.087
4.	668	+		=	1.044
5.	842	+		=	1.194
6.	467	+		=	895
7.	983	+		=	1.795
8.	360	+		=	687
9.	974	+		=	1.479
10.	925	+		=	1.184

Oefening 4
1.	833	+		=	1.490
2.	984	+		=	1.601
3.	381	+		=	585
4.	949	+		=	1.291
5.	708	+		=	1.089
6.	706	+		=	926
7.	486	+		=	783
8.	392	+		=	684
9.	666	+		=	1.235
10.	644	+		=	936

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	385	+	256	=	641
2.	552	+	433	=	985
3.	871	+	854	=	1.725
4.	643	+	641	=	1.284
5.	791	+	394	=	1.185
6.	660	+	513	=	1.173
7.	955	+	280	=	1.235
8.	600	+	523	=	1.123
9.	581	+	469	=	1.050
10.	669	+	390	=	1.059

Oefening 2
1.	765	+	537	=	1.302
2.	675	+	476	=	1.151
3.	940	+	526	=	1.466
4.	373	+	290	=	663
5.	485	+	476	=	961
6.	588	+	240	=	828
7.	377	+	270	=	647
8.	438	+	257	=	695
9.	980	+	594	=	1.574
10.	444	+	442	=	886

Oefening 3
1.	617	+	383	=	1.000
2.	819	+	788	=	1.607
3.	867	+	220	=	1.087
4.	668	+	376	=	1.044
5.	842	+	352	=	1.194
6.	467	+	428	=	895
7.	983	+	812	=	1.795
8.	360	+	327	=	687
9.	974	+	505	=	1.479
10.	925	+	259	=	1.184

Oefening 4
1.	833	+	657	=	1.490
2.	984	+	617	=	1.601
3.	381	+	204	=	585
4.	949	+	342	=	1.291
5.	708	+	381	=	1.089
6.	706	+	220	=	926
7.	486	+	297	=	783
8.	392	+	292	=	684
9.	666	+	569	=	1.235
10.	644	+	292	=	936