Question

scrie si rezolva operatia prin care afli:a)numarul de doua ori mai mic decit :20,14,18,16,12,4,8,10,2.b) dublul numerelor :10,7,9,8,6,2,4,5,1.c)numarul de 4 ori mai mic decit 36,16,8,24,12,32,20,28d) numarul de 3 ori mai mic decit 12,30,24,18,6,3,9,15,21 e) triplul nu mere lo run 4,10,8,6,2,1,3,5,7

Answer 1

Se impart la 2:
20:2=10
14:2=7
18.2=6
12:2=6
4:2=2
8:2=4
10:2=5
2:2=1
b) se inmulțesc la 2:
10x2=20
7x2=14
9x2=18
8x2=16
6x2=12
2x2=4
4x2=8
5x2=10
1x2=2
c) se imparte la 3:
36:4=9
16:4=4
8:4=2
24:4=6
12:4=3
32:4=8
20:4=5
28:4=7
d) se împarte la 3:
12:3=4
30:3=10
24:3=8
18:3=6
6:3=2
3:3=1
9:3=3
15:3=5
21:3=7