Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	479	+		=	820
2.	310	+		=	545
3.	862	+		=	1.641
4.	756	+		=	1.087
5.	795	+		=	1.354
6.	945	+		=	1.248
7.	953	+		=	1.179
8.	856	+		=	1.647
9.	488	+		=	741
10.	894	+		=	1.293

Oefening 2
1.	805	+		=	1.184
2.	871	+		=	1.656
3.	745	+		=	1.058
4.	853	+		=	1.268
5.	852	+		=	1.587
6.	944	+		=	1.307
7.	612	+		=	918
8.	815	+		=	1.443
9.	579	+		=	860
10.	972	+		=	1.862

Oefening 3
1.	614	+		=	1.189
2.	916	+		=	1.204
3.	822	+		=	1.195
4.	689	+		=	1.360
5.	957	+		=	1.703
6.	984	+		=	1.441
7.	541	+		=	766
8.	928	+		=	1.787
9.	615	+		=	830
10.	783	+		=	1.152

Oefening 4
1.	270	+		=	520
2.	901	+		=	1.258
3.	680	+		=	1.157
4.	705	+		=	1.069
5.	939	+		=	1.320
6.	465	+		=	810
7.	727	+		=	929
8.	383	+		=	681
9.	374	+		=	636
10.	437	+		=	734

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	479	+	341	=	820
2.	310	+	235	=	545
3.	862	+	779	=	1.641
4.	756	+	331	=	1.087
5.	795	+	559	=	1.354
6.	945	+	303	=	1.248
7.	953	+	226	=	1.179
8.	856	+	791	=	1.647
9.	488	+	253	=	741
10.	894	+	399	=	1.293

Oefening 2
1.	805	+	379	=	1.184
2.	871	+	785	=	1.656
3.	745	+	313	=	1.058
4.	853	+	415	=	1.268
5.	852	+	735	=	1.587
6.	944	+	363	=	1.307
7.	612	+	306	=	918
8.	815	+	628	=	1.443
9.	579	+	281	=	860
10.	972	+	890	=	1.862

Oefening 3
1.	614	+	575	=	1.189
2.	916	+	288	=	1.204
3.	822	+	373	=	1.195
4.	689	+	671	=	1.360
5.	957	+	746	=	1.703
6.	984	+	457	=	1.441
7.	541	+	225	=	766
8.	928	+	859	=	1.787
9.	615	+	215	=	830
10.	783	+	369	=	1.152

Oefening 4
1.	270	+	250	=	520
2.	901	+	357	=	1.258
3.	680	+	477	=	1.157
4.	705	+	364	=	1.069
5.	939	+	381	=	1.320
6.	465	+	345	=	810
7.	727	+	202	=	929
8.	383	+	298	=	681
9.	374	+	262	=	636
10.	437	+	297	=	734