Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	601	+		=	1.160
2.	663	+		=	1.265
3.	587	+		=	997
4.	690	+		=	1.290
5.	713	+		=	1.287
6.	569	+		=	910
7.	988	+		=	1.959
8.	620	+		=	1.038
9.	799	+		=	1.212
10.	913	+		=	1.726

Oefening 2
1.	410	+		=	677
2.	691	+		=	1.018
3.	428	+		=	658
4.	869	+		=	1.372
5.	913	+		=	1.320
6.	930	+		=	1.747
7.	715	+		=	1.315
8.	409	+		=	695
9.	916	+		=	1.215
10.	826	+		=	1.331

Oefening 3
1.	917	+		=	1.494
2.	616	+		=	822
3.	428	+		=	641
4.	993	+		=	1.530
5.	991	+		=	1.911
6.	577	+		=	1.090
7.	839	+		=	1.648
8.	458	+		=	866
9.	978	+		=	1.657
10.	592	+		=	920

Oefening 4
1.	879	+		=	1.747
2.	967	+		=	1.890
3.	955	+		=	1.321
4.	311	+		=	527
5.	848	+		=	1.473
6.	951	+		=	1.855
7.	540	+		=	777
8.	638	+		=	1.184
9.	690	+		=	1.132
10.	973	+		=	1.802

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	601	+	559	=	1.160
2.	663	+	602	=	1.265
3.	587	+	410	=	997
4.	690	+	600	=	1.290
5.	713	+	574	=	1.287
6.	569	+	341	=	910
7.	988	+	971	=	1.959
8.	620	+	418	=	1.038
9.	799	+	413	=	1.212
10.	913	+	813	=	1.726

Oefening 2
1.	410	+	267	=	677
2.	691	+	327	=	1.018
3.	428	+	230	=	658
4.	869	+	503	=	1.372
5.	913	+	407	=	1.320
6.	930	+	817	=	1.747
7.	715	+	600	=	1.315
8.	409	+	286	=	695
9.	916	+	299	=	1.215
10.	826	+	505	=	1.331

Oefening 3
1.	917	+	577	=	1.494
2.	616	+	206	=	822
3.	428	+	213	=	641
4.	993	+	537	=	1.530
5.	991	+	920	=	1.911
6.	577	+	513	=	1.090
7.	839	+	809	=	1.648
8.	458	+	408	=	866
9.	978	+	679	=	1.657
10.	592	+	328	=	920

Oefening 4
1.	879	+	868	=	1.747
2.	967	+	923	=	1.890
3.	955	+	366	=	1.321
4.	311	+	216	=	527
5.	848	+	625	=	1.473
6.	951	+	904	=	1.855
7.	540	+	237	=	777
8.	638	+	546	=	1.184
9.	690	+	442	=	1.132
10.	973	+	829	=	1.802