Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	396	+		=	756
2.	871	+		=	1.661
3.	762	+		=	968
4.	563	+		=	982
5.	625	+		=	1.032
6.	501	+		=	966
7.	721	+		=	1.318
8.	823	+		=	1.465
9.	984	+		=	1.800
10.	713	+		=	966

Oefening 2
1.	911	+		=	1.224
2.	715	+		=	1.276
3.	280	+		=	486
4.	569	+		=	780
5.	349	+		=	671
6.	820	+		=	1.170
7.	844	+		=	1.414
8.	984	+		=	1.254
9.	489	+		=	785
10.	705	+		=	1.153

Oefening 3
1.	726	+		=	1.404
2.	918	+		=	1.285
3.	946	+		=	1.550
4.	464	+		=	672
5.	507	+		=	980
6.	893	+		=	1.389
7.	844	+		=	1.121
8.	390	+		=	672
9.	359	+		=	664
10.	973	+		=	1.785

Oefening 4
1.	284	+		=	498
2.	763	+		=	1.111
3.	700	+		=	1.332
4.	576	+		=	1.122
5.	759	+		=	1.476
6.	889	+		=	1.294
7.	917	+		=	1.713
8.	973	+		=	1.670
9.	714	+		=	1.015
10.	851	+		=	1.251

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	396	+	360	=	756
2.	871	+	790	=	1.661
3.	762	+	206	=	968
4.	563	+	419	=	982
5.	625	+	407	=	1.032
6.	501	+	465	=	966
7.	721	+	597	=	1.318
8.	823	+	642	=	1.465
9.	984	+	816	=	1.800
10.	713	+	253	=	966

Oefening 2
1.	911	+	313	=	1.224
2.	715	+	561	=	1.276
3.	280	+	206	=	486
4.	569	+	211	=	780
5.	349	+	322	=	671
6.	820	+	350	=	1.170
7.	844	+	570	=	1.414
8.	984	+	270	=	1.254
9.	489	+	296	=	785
10.	705	+	448	=	1.153

Oefening 3
1.	726	+	678	=	1.404
2.	918	+	367	=	1.285
3.	946	+	604	=	1.550
4.	464	+	208	=	672
5.	507	+	473	=	980
6.	893	+	496	=	1.389
7.	844	+	277	=	1.121
8.	390	+	282	=	672
9.	359	+	305	=	664
10.	973	+	812	=	1.785

Oefening 4
1.	284	+	214	=	498
2.	763	+	348	=	1.111
3.	700	+	632	=	1.332
4.	576	+	546	=	1.122
5.	759	+	717	=	1.476
6.	889	+	405	=	1.294
7.	917	+	796	=	1.713
8.	973	+	697	=	1.670
9.	714	+	301	=	1.015
10.	851	+	400	=	1.251