Erbijsommen met vlekken tot en met 200

Erbijsommen

Oefening 1
1.	31	+		=	60
2.	88	+		=	120
3.	91	+		=	113
4.	94	+		=	126
5.	63	+		=	92
6.	92	+		=	131
7.	21	+		=	42
8.	95	+		=	171
9.	82	+		=	116
10.	86	+		=	165

Oefening 2
1.	63	+		=	85
2.	73	+		=	142
3.	87	+		=	126
4.	68	+		=	130
5.	80	+		=	157
6.	85	+		=	124
7.	88	+		=	152
8.	77	+		=	108
9.	64	+		=	125
10.	57	+		=	80

Oefening 3
1.	37	+		=	58
2.	59	+		=	89
3.	65	+		=	98
4.	84	+		=	144
5.	82	+		=	163
6.	93	+		=	113
7.	49	+		=	72
8.	79	+		=	138
9.	87	+		=	136
10.	68	+		=	94

Oefening 4
1.	29	+		=	49
2.	94	+		=	155
3.	31	+		=	51
4.	57	+		=	103
5.	77	+		=	150
6.	56	+		=	90
7.	96	+		=	137
8.	75	+		=	129
9.	81	+		=	110
10.	47	+		=	77

Erbijsommen met vlekken tot en met 200
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	31	+	29	=	60
2.	88	+	32	=	120
3.	91	+	22	=	113
4.	94	+	32	=	126
5.	63	+	29	=	92
6.	92	+	39	=	131
7.	21	+	21	=	42
8.	95	+	76	=	171
9.	82	+	34	=	116
10.	86	+	79	=	165

Oefening 2
1.	63	+	22	=	85
2.	73	+	69	=	142
3.	87	+	39	=	126
4.	68	+	62	=	130
5.	80	+	77	=	157
6.	85	+	39	=	124
7.	88	+	64	=	152
8.	77	+	31	=	108
9.	64	+	61	=	125
10.	57	+	23	=	80

Oefening 3
1.	37	+	21	=	58
2.	59	+	30	=	89
3.	65	+	33	=	98
4.	84	+	60	=	144
5.	82	+	81	=	163
6.	93	+	20	=	113
7.	49	+	23	=	72
8.	79	+	59	=	138
9.	87	+	49	=	136
10.	68	+	26	=	94

Oefening 4
1.	29	+	20	=	49
2.	94	+	61	=	155
3.	31	+	20	=	51
4.	57	+	46	=	103
5.	77	+	73	=	150
6.	56	+	34	=	90
7.	96	+	41	=	137
8.	75	+	54	=	129
9.	81	+	29	=	110
10.	47	+	30	=	77