Alessiazahask
a fost răspuns

va rog intrati pw poza si rezolvati repede exercitiul dau coroana in doua min !!!!​

Va Rog Intrati Pw Poza Si Rezolvati Repede Exercitiul Dau Coroana In Doua Min class=

Răspuns :

Marialexandra2006ask

a) 35 × 99

=> 35 × (100 - 1)

=> 35 × 100 - 35 × 1

=> 3500 - 35

=> 3465

b) 27 × 101

=> 27 × (102 - 1)

=> 27 × 102 - 27 × 1

=> 2754 - 27

=> 2727

c) 15 × 102

=> 15 × (103 - 1)

=> 15 × 103 - 15 × 1

=> 1545 - 15

=> 1530

d) 31 × 98

=> 31 × (99 - 1)

=> 31 × 99 - 31 × 1

=> 3069 - 31

=> 3038

e) 4 × 999

=> 4 × (1000 - 1)

=> 4 × 1000 - 4 × 1

=> 4000 - 4

=> 3996

f) 5 × 1004

=> 5 × (1005 - 1)

=> 5 × 1005 - 5 × 1

=> 5025 - 5

=> 5020

Ask Alte intrebari