👤
a fost răspuns

URGEEEEEEEEEEENT ACUM RPD


calculeaza folosind factorul comun dupa model.

model: 39x27+39x52-39x79=39x(27+52-79)=39x0=0

exercitiile
a) 723x4972-723x4541+723x569=
b) 2783x5821+2783x2057-2783x7877=
c)41783x58912-41753x58912+58912x41+58912x29=
d)71496x3189-71496x3180+71496=
VR URGENT DAU COROANA RPDDDDD

Răspuns :

723×(4972-4541+569)=723×1000=723000

b)2783×(5821+2057-7877)=2783×1=2783

c)58912×(41783-41753+41+29)=58912×100=5891200

d)71496×(3189-3180+1)=71496×10=714960

Alte intrebari