Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	498	+		=	765
2.	877	+		=	1.224
3.	661	+		=	901
4.	946	+		=	1.414
5.	746	+		=	1.192
6.	882	+		=	1.383
7.	790	+		=	1.546
8.	564	+		=	1.028
9.	588	+		=	1.010
10.	709	+		=	1.019

Oefening 2
1.	972	+		=	1.428
2.	922	+		=	1.608
3.	759	+		=	1.017
4.	659	+		=	1.302
5.	530	+		=	761
6.	492	+		=	696
7.	427	+		=	789
8.	630	+		=	852
9.	564	+		=	1.112
10.	680	+		=	1.216

Oefening 3
1.	443	+		=	670
2.	778	+		=	1.221
3.	926	+		=	1.668
4.	978	+		=	1.395
5.	610	+		=	1.208
6.	897	+		=	1.643
7.	705	+		=	1.136
8.	700	+		=	1.104
9.	626	+		=	1.040
10.	975	+		=	1.279

Oefening 4
1.	739	+		=	1.312
2.	988	+		=	1.232
3.	966	+		=	1.260
4.	560	+		=	906
5.	963	+		=	1.238
6.	700	+		=	1.274
7.	858	+		=	1.154
8.	615	+		=	973
9.	741	+		=	1.062
10.	763	+		=	1.158

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	498	+	267	=	765
2.	877	+	347	=	1.224
3.	661	+	240	=	901
4.	946	+	468	=	1.414
5.	746	+	446	=	1.192
6.	882	+	501	=	1.383
7.	790	+	756	=	1.546
8.	564	+	464	=	1.028
9.	588	+	422	=	1.010
10.	709	+	310	=	1.019

Oefening 2
1.	972	+	456	=	1.428
2.	922	+	686	=	1.608
3.	759	+	258	=	1.017
4.	659	+	643	=	1.302
5.	530	+	231	=	761
6.	492	+	204	=	696
7.	427	+	362	=	789
8.	630	+	222	=	852
9.	564	+	548	=	1.112
10.	680	+	536	=	1.216

Oefening 3
1.	443	+	227	=	670
2.	778	+	443	=	1.221
3.	926	+	742	=	1.668
4.	978	+	417	=	1.395
5.	610	+	598	=	1.208
6.	897	+	746	=	1.643
7.	705	+	431	=	1.136
8.	700	+	404	=	1.104
9.	626	+	414	=	1.040
10.	975	+	304	=	1.279

Oefening 4
1.	739	+	573	=	1.312
2.	988	+	244	=	1.232
3.	966	+	294	=	1.260
4.	560	+	346	=	906
5.	963	+	275	=	1.238
6.	700	+	574	=	1.274
7.	858	+	296	=	1.154
8.	615	+	358	=	973
9.	741	+	321	=	1.062
10.	763	+	395	=	1.158