This lesson contains 11 slides, with interactive quizzes, text slides and 1 video.
11 + 11 + 11 = 33
11 + 11 = 22
11 - (3 + 3) = 5
(3 x 11) - (11 : 11) = 32
Basis: 1.4
plus: 2.1
Antwoorden:
Basis:
27. a 14 b 78 c 68 d 40 e 400 f 56
g 72 h 36 i 45 j 18 k 180 l 60
28. a 200 b 210 c 160 d 270
29. a 7x42=7x40+7x2= b 294 tegels
30. a 51 b 310 c 152
31. 432
32. 432
33. 222, 308, 87, 268
34. 455 cent + 285 cent + 356 cent =
1096 cent = €10,96
plus:
1. a 21 b 30 c 21 d 42 e 48 f 0
g 18 h 24 i 54 j 63 k 0 l 81
2. a 5x37=5x30+5x7=185 b 294
3. a 51 b 310 c 152 d 1248 e 1865
4. a en b 2881
5. a 391 b 3672 c 2944
6. a 750 b 2450 c 6399 d 1170
e 18650 f 81900
7. a 455+285=740 cent = €7,40
b 320+665=985 cent = €9,85
10-9,85=€0,15
8. 48+46=94km