Question

descompune in diferite moduri numerele 35, 75, 90

Answer 1

metoda 1
35:5=7
75:5=15
90:2=45


metoda 2
35 | 5
7 | 7
1 | 1


75 | 5
45 | 5
9 | 3
3 | 3
1 | 1



90 | 2
45 | 5
9 | 3
3 | 3
1 | 1

Answer 2

35=5x7=3x10+5
75=5√3=7x10+5
90=3√10=9x10