Question

Cele3probleme/exerciții...

Answer 1

31*28=868, 872-868=4  rest
345*6=2070  345*2=690 deci 345*26=8970

Alin=39
Andrei=4*39=156
Rares=5*156=780
Cornel=12*780=9360 varianta c) este corecta

Answer 2

31*28=868,872-868=4rest,345*6=2070 345*2=690 deci 345*26=8970           Alin=39, Andrei=4*39=156,Rares=5*156=780,Cornel=12*780=9360 deci varianta corecta este c