Question

Calculeaza, folosind descompunerea in sute,zeci si unitati,ca in modelul dat::
Accesta este ex: 326+142=468
300+20+6+100+40+2=
400+60+8=468

b. 235+343=
c. 518+241=
d. 321+453=
Va rog frumos!​

Answer 1

Răspuns:

b. 235+343=

=200+30+5+300+40+3=

=500+70+8=

=578

c. 518+241=

=500+10+8+200+40+1=

=700+50+9=

=759

d. 321+453=

=300+20+1+400+50+3=

=700+70+4=

=774