Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	820	+		=	1.455
2.	410	+		=	628
3.	911	+		=	1.224
4.	358	+		=	628
5.	902	+		=	1.603
6.	766	+		=	1.486
7.	855	+		=	1.597
8.	399	+		=	669
9.	735	+		=	1.436
10.	945	+		=	1.181

Oefening 2
1.	990	+		=	1.313
2.	869	+		=	1.618
3.	985	+		=	1.784
4.	844	+		=	1.519
5.	859	+		=	1.487
6.	323	+		=	565
7.	548	+		=	870
8.	748	+		=	1.028
9.	400	+		=	623
10.	861	+		=	1.293

Oefening 3
1.	495	+		=	964
2.	933	+		=	1.606
3.	613	+		=	1.178
4.	803	+		=	1.225
5.	689	+		=	1.229
6.	873	+		=	1.499
7.	602	+		=	1.034
8.	462	+		=	684
9.	820	+		=	1.447
10.	525	+		=	924

Oefening 4
1.	906	+		=	1.791
2.	781	+		=	1.240
3.	1.000	+		=	1.622
4.	563	+		=	955
5.	609	+		=	1.068
6.	464	+		=	796
7.	703	+		=	1.172
8.	978	+		=	1.353
9.	271	+		=	525
10.	818	+		=	1.195

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	820	+	635	=	1.455
2.	410	+	218	=	628
3.	911	+	313	=	1.224
4.	358	+	270	=	628
5.	902	+	701	=	1.603
6.	766	+	720	=	1.486
7.	855	+	742	=	1.597
8.	399	+	270	=	669
9.	735	+	701	=	1.436
10.	945	+	236	=	1.181

Oefening 2
1.	990	+	323	=	1.313
2.	869	+	749	=	1.618
3.	985	+	799	=	1.784
4.	844	+	675	=	1.519
5.	859	+	628	=	1.487
6.	323	+	242	=	565
7.	548	+	322	=	870
8.	748	+	280	=	1.028
9.	400	+	223	=	623
10.	861	+	432	=	1.293

Oefening 3
1.	495	+	469	=	964
2.	933	+	673	=	1.606
3.	613	+	565	=	1.178
4.	803	+	422	=	1.225
5.	689	+	540	=	1.229
6.	873	+	626	=	1.499
7.	602	+	432	=	1.034
8.	462	+	222	=	684
9.	820	+	627	=	1.447
10.	525	+	399	=	924

Oefening 4
1.	906	+	885	=	1.791
2.	781	+	459	=	1.240
3.	1.000	+	622	=	1.622
4.	563	+	392	=	955
5.	609	+	459	=	1.068
6.	464	+	332	=	796
7.	703	+	469	=	1.172
8.	978	+	375	=	1.353
9.	271	+	254	=	525
10.	818	+	377	=	1.195