efectueaza calculele respectand indicatile de mai sus
Răspunsuri la întrebare
Se rezolvă prin ambele metode conform indicațiilor de sus.
Metoda I
a) 204 : 2 = (200+4) : 2 = 200:2 + 4:2 = 100 + 2 = 102
609 : 3 = (600+9) : 3 = 600:3 + 9:3 = 200 + 3 = 203
Metoda II
204 : 2 = 102
2
=0
0
=4
4
=
609 : 3 = 203
6
=0
0
=9
9
=
Metoda I
b) 808 : 4 = (800+8) : 4 = 800:4 + 8:4 = 200 + 2 = 202
603 : 3 = (600+3) : 3 = 600:3 + 3:3 = 200 + 1 = 201
Metoda II
808 : 4 = 202
8
=0
0
=8
8
=
603 : 3 = 201
6
=0
0
=3
3
=
Metoda I
c) 2004 : 2 = (2000+4) : 2 = 2000:2 + 4:2 = 1000 + 2 = 1002
6009 : 3 = (6000+9) : 3 = 6000:3 + 9:3 = 2000 + 3 = 2003
Metoda II
2004 : 2 = 1002
4
=0
0
=0
0
=4
4
=
6009 : 3 = 2003
6
=0
0
=0
0
=9
9
=
Metoda I
d) 80808 : 4 = (80000+800+8) : 4 = 80000:4 + 800:4 + 8:4 = 20000 + 200 + 2 = 20202
40608 : 2 = (40000+600+8) : 2 = 40000:2 + 600:2 + 8:2 = 20000 + 300 + 4 = 20304
Metoda II
80808 : 4 = 20202
8
=0
0
=8
8
=0
0
=8
8
=
40608 : 2 = 20304
4
=0
0
=6
6
=0
0
=8
8
=