Question

Scrie fiecare dintre numerele de mai jos sub forma de cat al impartirii unui numar natural la 10,100sau 1000.a)820=| |÷10 ;820= | |÷100 ; 820= | |÷1000; b)6400= | |÷100; 640= | |÷100;64= | |÷100;c)90=9000÷| |;90=90000÷ | |;900=90000÷ | |. Va rog ajutati_ma dau coroana.

Answer 1

A))
820=;820x10):10
820=8200:10
————————
820=(820x100):100
820=82000:100
——————
820=(820x1000):1000
820=820000:1000
——
b))))
6400=(6400x100):100
6400=640000:100
———————
640=(640x100):100
640=64000:100
———————-
64=(64x100):100
64=6400:100
——————

C)))
90=9000:100
————
90=90000:1000
—————-
900=90000:100
Sper ca te-am ajutat !