Erbijsommen met vlekken tot en met 200

Erbijsommen

Oefening 1
1.	90	+		=	172
2.	86	+		=	167
3.	47	+		=	90
4.	70	+		=	91
5.	99	+		=	179
6.	81	+		=	140
7.	77	+		=	147
8.	76	+		=	100
9.	90	+		=	169
10.	55	+		=	97

Oefening 2
1.	76	+		=	97
2.	45	+		=	69
3.	78	+		=	101
4.	43	+		=	78
5.	69	+		=	105
6.	78	+		=	102
7.	47	+		=	84
8.	50	+		=	92
9.	96	+		=	116
10.	71	+		=	108

Oefening 3
1.	76	+		=	102
2.	70	+		=	106
3.	30	+		=	51
4.	76	+		=	99
5.	82	+		=	140
6.	50	+		=	85
7.	56	+		=	109
8.	94	+		=	163
9.	89	+		=	120
10.	88	+		=	137

Oefening 4
1.	21	+		=	41
2.	87	+		=	126
3.	36	+		=	65
4.	63	+		=	92
5.	92	+		=	145
6.	64	+		=	128
7.	60	+		=	91
8.	47	+		=	89
9.	99	+		=	191
10.	92	+		=	151

Erbijsommen met vlekken tot en met 200
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	90	+	82	=	172
2.	86	+	81	=	167
3.	47	+	43	=	90
4.	70	+	21	=	91
5.	99	+	80	=	179
6.	81	+	59	=	140
7.	77	+	70	=	147
8.	76	+	24	=	100
9.	90	+	79	=	169
10.	55	+	42	=	97

Oefening 2
1.	76	+	21	=	97
2.	45	+	24	=	69
3.	78	+	23	=	101
4.	43	+	35	=	78
5.	69	+	36	=	105
6.	78	+	24	=	102
7.	47	+	37	=	84
8.	50	+	42	=	92
9.	96	+	20	=	116
10.	71	+	37	=	108

Oefening 3
1.	76	+	26	=	102
2.	70	+	36	=	106
3.	30	+	21	=	51
4.	76	+	23	=	99
5.	82	+	58	=	140
6.	50	+	35	=	85
7.	56	+	53	=	109
8.	94	+	69	=	163
9.	89	+	31	=	120
10.	88	+	49	=	137

Oefening 4
1.	21	+	20	=	41
2.	87	+	39	=	126
3.	36	+	29	=	65
4.	63	+	29	=	92
5.	92	+	53	=	145
6.	64	+	64	=	128
7.	60	+	31	=	91
8.	47	+	42	=	89
9.	99	+	92	=	191
10.	92	+	59	=	151