Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
238 – 163 =
4
75
3
2
|
2.
91 + 177 =
3
268
4
2
|
3.
317 + 53 =
4
370
3
2
|
4.
342 + 247 =
589
3
4
2
|
|
5.
413 + 576 =
4
2
989
3
|
6.
197 + 348 =
545
3
2
4
|
7.
773 + 85 =
2
858
3
4
|
8.
826 – 602 =
4
3
2
224
|
|
9.
353 – 129 =
3
2
4
224
|
10.
420 + 350 =
770
4
3
2
|
11.
379 – 193 =
2
186
4
3
|
12.
477 + 481 =
958
4
2
3
|
|
13.
303 – 207 =
3
96
4
2
|
14.
437 + 345 =
782
3
4
2
|
15.
298 + 182 =
3
480
4
2
|
16.
411 + 522 =
2
4
933
3
|
|
17.
476 – 447 =
2
4
29
3
|
18.
755 + 214 =
2
3
4
969
|
19.
620 + 366 =
986
3
2
4
|
20.
460 + 464 =
4
2
3
924
|