m.c.d. y m.c.m.
m.c.d 12 y 15
3
calculate and tell if it is true or false 63:63= 0
False
8x8
64
√36
6
(20x3)+52
85
m.c.d. 12 y 18
6
There is a 100 m2 farm and they want to fence it. How long is each side?
Each side measures 10 m2
100x100
10.000
√81
9
(32x3+4)-2
98
m.c.d. 24,84 y 132
12
Say 3 prime numbers. From 0 to 100
If you have said three of the numbers that are here, your answer is fine. 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61 ,,, 67,71,73,79,83,89 and 97
561x3
1.683
√196
14
64+(8+4-2)x2
84
m.c.m 30 y 24
120
10x10x10x10x10x10x7
7.000.000
238x8
1.904
√441
21
42-(3+(32:4):2)+2
37
m.c.m. 180 y 24
160
There are 145 people on a bus. The bus stops, 12 people get off and 25 get on. It stops again and 5 people get off. After 200 meters it makes another stop where 30 people get off and 15. At the end of the journey .....
How many stops has the bus made?
The bus has made 3 stops
95x72
6.840
√289
17
5-(7-2-3+12)+48
39