Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
886 – 147 =
3
2
4
739
|
2.
85 + 389 =
3
4
2
474
|
3.
716 – 219 =
2
497
3
4
|
4.
211 + 457 =
668
2
4
3
|
|
5.
360 + 287 =
2
4
647
3
|
6.
194 + 236 =
3
4
2
430
|
7.
96 + 294 =
390
2
4
3
|
8.
739 + 56 =
4
2
795
3
|
|
9.
474 – 306 =
4
168
3
2
|
10.
639 – 495 =
3
144
2
4
|
11.
93 – 15 =
78
4
3
2
|
12.
822 – 703 =
119
4
2
3
|
|
13.
734 + 108 =
3
2
4
842
|
14.
596 + 381 =
2
3
4
977
|
15.
167 – 108 =
4
59
3
2
|
16.
707 – 135 =
3
4
572
2
|
|
17.
951 – 157 =
2
794
3
4
|
18.
1000 – 839 =
161
4
3
2
|
19.
509 – 289 =
4
3
220
2
|
20.
350 – 209 =
3
2
141
4
|