Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	302	+		=	529
2.	804	+		=	1.390
3.	426	+		=	710
4.	640	+		=	947
5.	691	+		=	1.145
6.	941	+		=	1.333
7.	531	+		=	769
8.	609	+		=	904
9.	317	+		=	597
10.	973	+		=	1.872

Oefening 2
1.	850	+		=	1.077
2.	871	+		=	1.700
3.	672	+		=	1.257
4.	841	+		=	1.448
5.	799	+		=	1.318
6.	348	+		=	667
7.	567	+		=	1.128
8.	813	+		=	1.140
9.	890	+		=	1.768
10.	474	+		=	745

Oefening 3
1.	861	+		=	1.638
2.	728	+		=	1.241
3.	377	+		=	671
4.	598	+		=	1.084
5.	496	+		=	923
6.	920	+		=	1.151
7.	880	+		=	1.329
8.	528	+		=	895
9.	602	+		=	1.186
10.	727	+		=	1.207

Oefening 4
1.	931	+		=	1.179
2.	779	+		=	1.374
3.	893	+		=	1.274
4.	947	+		=	1.243
5.	875	+		=	1.718
6.	898	+		=	1.607
7.	994	+		=	1.822
8.	978	+		=	1.615
9.	614	+		=	987
10.	756	+		=	1.107

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	302	+	227	=	529
2.	804	+	586	=	1.390
3.	426	+	284	=	710
4.	640	+	307	=	947
5.	691	+	454	=	1.145
6.	941	+	392	=	1.333
7.	531	+	238	=	769
8.	609	+	295	=	904
9.	317	+	280	=	597
10.	973	+	899	=	1.872

Oefening 2
1.	850	+	227	=	1.077
2.	871	+	829	=	1.700
3.	672	+	585	=	1.257
4.	841	+	607	=	1.448
5.	799	+	519	=	1.318
6.	348	+	319	=	667
7.	567	+	561	=	1.128
8.	813	+	327	=	1.140
9.	890	+	878	=	1.768
10.	474	+	271	=	745

Oefening 3
1.	861	+	777	=	1.638
2.	728	+	513	=	1.241
3.	377	+	294	=	671
4.	598	+	486	=	1.084
5.	496	+	427	=	923
6.	920	+	231	=	1.151
7.	880	+	449	=	1.329
8.	528	+	367	=	895
9.	602	+	584	=	1.186
10.	727	+	480	=	1.207

Oefening 4
1.	931	+	248	=	1.179
2.	779	+	595	=	1.374
3.	893	+	381	=	1.274
4.	947	+	296	=	1.243
5.	875	+	843	=	1.718
6.	898	+	709	=	1.607
7.	994	+	828	=	1.822
8.	978	+	637	=	1.615
9.	614	+	373	=	987
10.	756	+	351	=	1.107