Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	385	+		=	701
2.	798	+		=	1.304
3.	594	+		=	838
4.	814	+		=	1.373
5.	372	+		=	660
6.	575	+		=	911
7.	720	+		=	1.184
8.	768	+		=	1.325
9.	778	+		=	1.187
10.	463	+		=	789

Oefening 2
1.	924	+		=	1.474
2.	799	+		=	1.570
3.	460	+		=	830
4.	975	+		=	1.182
5.	696	+		=	1.199
6.	610	+		=	967
7.	630	+		=	1.240
8.	966	+		=	1.779
9.	370	+		=	579
10.	737	+		=	1.023

Oefening 3
1.	295	+		=	544
2.	599	+		=	1.196
3.	938	+		=	1.487
4.	537	+		=	881
5.	829	+		=	1.298
6.	937	+		=	1.226
7.	434	+		=	849
8.	807	+		=	1.091
9.	844	+		=	1.103
10.	786	+		=	1.220

Oefening 4
1.	879	+		=	1.704
2.	881	+		=	1.661
3.	357	+		=	708
4.	711	+		=	952
5.	938	+		=	1.146
6.	901	+		=	1.561
7.	916	+		=	1.544
8.	453	+		=	658
9.	666	+		=	1.228
10.	398	+		=	770

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	385	+	316	=	701
2.	798	+	506	=	1.304
3.	594	+	244	=	838
4.	814	+	559	=	1.373
5.	372	+	288	=	660
6.	575	+	336	=	911
7.	720	+	464	=	1.184
8.	768	+	557	=	1.325
9.	778	+	409	=	1.187
10.	463	+	326	=	789

Oefening 2
1.	924	+	550	=	1.474
2.	799	+	771	=	1.570
3.	460	+	370	=	830
4.	975	+	207	=	1.182
5.	696	+	503	=	1.199
6.	610	+	357	=	967
7.	630	+	610	=	1.240
8.	966	+	813	=	1.779
9.	370	+	209	=	579
10.	737	+	286	=	1.023

Oefening 3
1.	295	+	249	=	544
2.	599	+	597	=	1.196
3.	938	+	549	=	1.487
4.	537	+	344	=	881
5.	829	+	469	=	1.298
6.	937	+	289	=	1.226
7.	434	+	415	=	849
8.	807	+	284	=	1.091
9.	844	+	259	=	1.103
10.	786	+	434	=	1.220

Oefening 4
1.	879	+	825	=	1.704
2.	881	+	780	=	1.661
3.	357	+	351	=	708
4.	711	+	241	=	952
5.	938	+	208	=	1.146
6.	901	+	660	=	1.561
7.	916	+	628	=	1.544
8.	453	+	205	=	658
9.	666	+	562	=	1.228
10.	398	+	372	=	770