Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	402	+		=	742
2.	416	+		=	734
3.	393	+		=	746
4.	905	+		=	1.682
5.	722	+		=	1.278
6.	972	+		=	1.354
7.	745	+		=	1.303
8.	738	+		=	1.217
9.	533	+		=	903
10.	678	+		=	1.277

Oefening 2
1.	448	+		=	853
2.	699	+		=	1.131
3.	566	+		=	937
4.	546	+		=	1.017
5.	755	+		=	1.353
6.	909	+		=	1.619
7.	759	+		=	1.131
8.	746	+		=	1.299
9.	675	+		=	1.242
10.	551	+		=	1.045

Oefening 3
1.	858	+		=	1.711
2.	689	+		=	928
3.	602	+		=	815
4.	504	+		=	994
5.	778	+		=	1.449
6.	876	+		=	1.427
7.	538	+		=	813
8.	857	+		=	1.644
9.	587	+		=	819
10.	985	+		=	1.188

Oefening 4
1.	673	+		=	1.102
2.	343	+		=	592
3.	369	+		=	725
4.	648	+		=	871
5.	799	+		=	1.399
6.	989	+		=	1.458
7.	509	+		=	710
8.	675	+		=	938
9.	947	+		=	1.559
10.	877	+		=	1.573

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	402	+	340	=	742
2.	416	+	318	=	734
3.	393	+	353	=	746
4.	905	+	777	=	1.682
5.	722	+	556	=	1.278
6.	972	+	382	=	1.354
7.	745	+	558	=	1.303
8.	738	+	479	=	1.217
9.	533	+	370	=	903
10.	678	+	599	=	1.277

Oefening 2
1.	448	+	405	=	853
2.	699	+	432	=	1.131
3.	566	+	371	=	937
4.	546	+	471	=	1.017
5.	755	+	598	=	1.353
6.	909	+	710	=	1.619
7.	759	+	372	=	1.131
8.	746	+	553	=	1.299
9.	675	+	567	=	1.242
10.	551	+	494	=	1.045

Oefening 3
1.	858	+	853	=	1.711
2.	689	+	239	=	928
3.	602	+	213	=	815
4.	504	+	490	=	994
5.	778	+	671	=	1.449
6.	876	+	551	=	1.427
7.	538	+	275	=	813
8.	857	+	787	=	1.644
9.	587	+	232	=	819
10.	985	+	203	=	1.188

Oefening 4
1.	673	+	429	=	1.102
2.	343	+	249	=	592
3.	369	+	356	=	725
4.	648	+	223	=	871
5.	799	+	600	=	1.399
6.	989	+	469	=	1.458
7.	509	+	201	=	710
8.	675	+	263	=	938
9.	947	+	612	=	1.559
10.	877	+	696	=	1.573