Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	775	+		=	1.013
2.	595	+		=	835
3.	622	+		=	889
4.	419	+		=	690
5.	851	+		=	1.113
6.	833	+		=	1.349
7.	265	+		=	507
8.	916	+		=	1.643
9.	546	+		=	1.075
10.	698	+		=	1.209

Oefening 2
1.	349	+		=	661
2.	568	+		=	914
3.	991	+		=	1.621
4.	806	+		=	1.581
5.	774	+		=	1.044
6.	487	+		=	901
7.	729	+		=	1.229
8.	499	+		=	829
9.	650	+		=	1.278
10.	630	+		=	914

Oefening 3
1.	770	+		=	972
2.	821	+		=	1.487
3.	642	+		=	1.004
4.	671	+		=	1.057
5.	659	+		=	913
6.	288	+		=	547
7.	728	+		=	1.025
8.	925	+		=	1.476
9.	901	+		=	1.323
10.	980	+		=	1.208

Oefening 4
1.	510	+		=	953
2.	928	+		=	1.654
3.	545	+		=	949
4.	930	+		=	1.293
5.	607	+		=	1.093
6.	994	+		=	1.362
7.	977	+		=	1.189
8.	906	+		=	1.649
9.	365	+		=	619
10.	686	+		=	1.308

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	775	+	238	=	1.013
2.	595	+	240	=	835
3.	622	+	267	=	889
4.	419	+	271	=	690
5.	851	+	262	=	1.113
6.	833	+	516	=	1.349
7.	265	+	242	=	507
8.	916	+	727	=	1.643
9.	546	+	529	=	1.075
10.	698	+	511	=	1.209

Oefening 2
1.	349	+	312	=	661
2.	568	+	346	=	914
3.	991	+	630	=	1.621
4.	806	+	775	=	1.581
5.	774	+	270	=	1.044
6.	487	+	414	=	901
7.	729	+	500	=	1.229
8.	499	+	330	=	829
9.	650	+	628	=	1.278
10.	630	+	284	=	914

Oefening 3
1.	770	+	202	=	972
2.	821	+	666	=	1.487
3.	642	+	362	=	1.004
4.	671	+	386	=	1.057
5.	659	+	254	=	913
6.	288	+	259	=	547
7.	728	+	297	=	1.025
8.	925	+	551	=	1.476
9.	901	+	422	=	1.323
10.	980	+	228	=	1.208

Oefening 4
1.	510	+	443	=	953
2.	928	+	726	=	1.654
3.	545	+	404	=	949
4.	930	+	363	=	1.293
5.	607	+	486	=	1.093
6.	994	+	368	=	1.362
7.	977	+	212	=	1.189
8.	906	+	743	=	1.649
9.	365	+	254	=	619
10.	686	+	622	=	1.308